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Episodes cast for
"Ben 10" (2005) More at IMDbPro »

Season: 1 | 2 | 3 | 4
Year: 2005 | 2006 | 2007 | 2008 | unknown


Season 1


Season 1, Episode 1: And Then There Were 10

27 December 2005
An alien device with metamorphic properties crash lands on Earth and attaches itself to an often-grousing juvenile who's on a road trip with extended family.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Camper (voice)

Steve Blum ... Heatblast / Vilgax (voice)

Dee Bradley Baker ... Wildmutt / Cash / Robotic Lieutenant (voice)

Jennifer Hale ... Teacher / Jamie (voice)

Jim Ward ... Diamondhead / XLR8 / Ranger (voice)

Adam Wylie ... JT (voice)

Season 1, Episode 2: Washington B.C.

13 January 2006
Ben confronts an evil genetic manipulator who feels just as he does - sorely deprived of recognition and rewards for his astonishing capabilities.

Tara Strong ... Ben Tennyson / Young Boy (voice)
Meagan Smith ... Gwen (voice)

Paul Eiding ... Max Tennyson / TV Announcer / Security Guard #2 (voice)

Dwight Schultz ... Dr. Animo / Police Officer / VIP #2 (voice)

Steve Blum ... Heatblast / Store Manager / Roger (voice)

Dee Bradley Baker ... Stinkfly / Parrot / Security Guard #1 (voice)

Richard Steven Horvitz ... Grey Matter / Robber #1 / VIP #1 (voice) (as Richard Horvitz)

Richard McGonagle ... Four Arms / Dr. Kelly (voice)

Season 1, Episode 3: The Krakken

14 January 2006
After pretending to be a monster in a nearby lake to scare Gwen, a real lake monster appears. Now Ben is hard-pressed to get anyone to believe him, but not for long.

Tara Strong ... Ben Tennyson / Policewoman (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly (voice)

Jim Ward ... XLR8 / Captain Shaw / Bad Guy #2 (voice)

Robin Atkin Downes ... Jonah Melville (voice)

Fred Tatasciore ... Ripjaws / Krakken / Bad Guy #1 (voice)

Richard McGonagle ... Four Arms (voice)

Season 1, Episode 4: Permanent Retirement

21 January 2006
The group stops in a retirement community to visit Aunt Vera, but Ben finds the aged residents to be quite a bit more physically dynamic than one should ever expect.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Huge Limax / Bad Guy #1 (voice)
Walker Edmiston ... Marty / Ice Cream Employee (voice)

Steve Blum ... Ghostfreak / Heatblast / Bad Guy #2 (voice)
Miriam Flynn ... Vera Tennyson (voice)

Season 1, Episode 5: Hunted

28 January 2006
Grandpa tries to help Ben by setting up a training area. He also tries to teach him to think about his selections and his moves. In the mean time, Vilgax sends some bounty hunters after the Omnitrix.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Steve Blum ... Ghostfreak / Vilgax (voice)

Jim Ward ... Diamondhead (voice)

Billy West ... Kraab (voice)

Dee Bradley Baker ... Robotic Lieutenant (voice)

Dave Fennoy ... Tetrax (voice)

Season 1, Episode 6: Tourist Trap

4 February 2006
Feeling gypped at a boring mid-west tourist attraction, Ben's payback ruins several exhibitions. One exhibit, though, turns out to be a lot more than anyone bargained for when it releases a relentless electrical prankster named Megawatt.

Tara Strong ... Ben Tennyson / Upgrade / Woman (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Steve Blum ... Heatblast / Bystander (voice)

Dee Bradley Baker ... Stinkfly / Kid #1 (voice)

Dwight Schultz ... Earl / Father / Driver (voice)

Richard McGonagle ... Four Arms (voice)

Season 1, Episode 7: Kevin 11

11 February 2006
Ben meets a teenager named Kevin in an arcade. He has the ability to absorb any form of energy. They team up, only for Ben to discover that Kevin is only interested in using Ben's Omnitrix to do bad.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Steve Blum ... Heatblast / Ghostfreak / Radio Announcer (voice)

Dee Bradley Baker ... Stinkfly / Gang #1 / Cop #2 (voice)

Richard McGonagle ... Four Arms / Cop #1 (voice)

Michael Reisz ... Kevin Levin (voice)

Mikey Kelley ... Gang #2 / Attendant / Helicopter Pilot (voice)

Jim Ward ... XLR8 / Security Guard #1 (voice)

Season 1, Episode 8: The Alliance

18 February 2006
One of Vilgax's upgraded robot trackers bonds with a lady criminal, turning her into a cyborg to hunt down Ben.

Tara Strong ... Ben Tennyson / Upgrade / Female Thug (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Steve Blum ... Heatblast / Vilgax (voice)

Dee Bradley Baker ... Officer / Robot Lieutenant / EMT #1 (voice)

Richard McGonagle ... Four Arms / Driver (voice)

Jim Ward ... XLR8 / TV News Anchor (voice)

Jennifer Hale ... Joey (Rojo) / Boy (voice)

Dave Fennoy ... Radio Newscaster / Doctor (voice)

Season 1, Episode 9: Last Laugh

25 February 2006
Ben's secret fear of clowns absents him from the big top just as an evil soul-sucking clown goes into his act, but Gwen, Grandpa Max and the rest of the town aren't as fortunate.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Acid Breath (voice)

Steve Blum ... Ghostfreak / Barker (voice)

Jeff Doucette ... Thumbskull (voice)

Cree Summer ... Frightwig (voice)

John Kassir ... Zombozo / Thief #1 (voice)

Fred Tatasciore ... Ripjaws / Policeman #1 / Thief #2 (voice)

Season 1, Episode 10: Lucky Girl

18 February 2006
Following an altercation in a witchcraft museum, Gwen acquires a potent charm that grants enough extraordinary good luck for her to proclaim herself a new superhero - Lucky Girl.

Tara Strong ... Ben Tennyson / Waitress / Elderly Woman (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Punk #1 / Trapped Worker (voice)

Nancy Linari ... Tour Guide / Reporter / Screaming Woman (voice)

Khary Payton ... Hex / Punk #3 (voice)

Billy West ... Guard / Punk #2 (voice)

Richard McGonagle ... Four Arms / Radio News Announcer (voice)

Jim Ward ... XLR8 (voice)

Season 1, Episode 11: A Small Problem

11 March 2006
Ben is too short for a ride at a water park, so he uses the Omnitrix to sneak in. An alien enthusiast captures Grey Matter and wants to announce it to the world, so he contacts The Organization, which wants the alien for its own plans.

Tara Strong ... Ben Tennyson / Old Lady (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Larry Cedar ... Howell / Head Scientist (voice)

Richard Doyle ... Enoch (voice)

Nolan North ... Teen Attendant / Henchman (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Season 1, Episode 12: Side Effects

18 March 2006
Ben's cold affects his alien transformations, leaving Wildbeast virtually blind, Four Arms with putrid puss pockets and Heatblast far from able to warm up. Not good when there's a bug-manipulating maniac threatening a city.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Joe / Thug (voice)

Steve Blum ... Heatblast / Bob (voice)

Richard McGonagle ... Four Arms (voice)

Rosalind Chao ... Councilwoman Liang (voice)

Nancy Linari ... Automated Voice (voice)

Nicholas Guest ... Clancy (voice)

Season 1, Episode 13: Secrets

25 March 2006
Vilgax himself finally comes after Ben. As Ben finds Vilgax to be more than he and his alien selves can handle, Grandpa Max reveals a secret past when he seeks help from a hidden base beneath Mount Rushmore.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly / Wildmutt / Robotic Lieutenant (voice)

Steve Blum ... Heatblast / Ghostfreak / Vilgax (voice)

Jim Ward ... XLR8 / TV News Reporter / Diamondhead (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Fred Tatasciore ... Ripjaws / Alarm (voice)

Richard McGonagle ... Four Arms (voice) (uncredited)

Season 2


Season 2, Episode 1: Truth

29 May 2006
The Tennysons encounter Phil, a former Plumber like Grandpa Max. Even though the Plumbers have retired, he still seems to find work that only a Plumber can handle. Is it just coincidence?

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Seasoned Pro (voice)

Dee Bradley Baker ... Wildmutt / Computer #1 / Vulpamancer #1 (voice)

Steve Blum ... Vilgax / Vulpamancer #2 (voice)

Jim Ward ... XLR8 / Commander / Manager (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Fred Tatasciore ... Ripjaws / Soldier / Computer #2 (voice)

Robert Patrick ... Phil / Rookie (voice)

Season 2, Episode 2: The Big Tick

30 May 2006
Ben discovers a new alien in the Omnitrix. As he tries to figure out the alien's abilities, a meteor crashes nearby. A giant tick emerges. It's already destroyed several other planets. Now Earth is next.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly / Interpreter Alien / Wildmutt (voice)

Fred Tatasciore ... Cannonbolt (voice)

Richard McGonagle ... Four Arms (voice)

Steve Blum ... Radio Announcer (voice)

Robert Picardo ... Leader Alien (voice)

James Mathis III ... Enforcer Alien (voice) (as James Mathis)

Season 2, Episode 3: Framed

31 May 2006
Apparently, Ben's aliens have been creating havoc across the country. Have they, really? As Federal agents come gunning for him in San Francisco, Ben gets the lowdown from a former friend.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Jim Ward ... Diamondhead (voice)

Dee Bradley Baker ... SACT Guy #1 / Wildmutt / Stinkfly (voice)

Richard McGonagle ... Four Arms (voice)

Michael Gough ... Lt. Steel / SACT Guy #2 (voice)

Charlie Schlatter ... Kevin Levin (voice)

Season 2, Episode 4: Gwen 10

4 June 2006
In a what-if tale, Ben wakes up back at the start of summer vacation (with full memories of the coming weeks) and finds himself not the one to whom the Omnitrix affixes itself.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Upgrade Max (voice)

Dee Bradley Baker ... Robotic Lieutenant / Robber #2 (voice)

Vanessa Marshall ... Diamondhead Gwen / Four Arms Gwen (voice)

Grey DeLisle ... Heatblast Gwen (voice)

Kari Wahlgren ... Grey Matter Gwen (voice)

Bill Ratner ... Narrator (voice)

Steve Blum ... Vilgax / Robber #1 (voice)

Season 2, Episode 5: Grudge Match

7 June 2006
Kevin and Ben become part of an alien abduction where they find themselves enslaved and forced to take part in televised galactic gladiatorial games.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Armin Shimerman ... Slix Vigma (voice)

Richard McGonagle ... Four Arms / Gladiator #1 (voice)

Jim Ward ... Diamondhead (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Fred Tatasciore ... Gladiator #2 / Cannonbolt (voice)

Jack Angel ... Technorg (voice)

Charlie Schlatter ... Kevin Levin (voice)

Season 2, Episode 6: The Galactic Enforcers

13 June 2006
Ben is enthralled as a team of galactic superheroes trail two supervillains to Earth who are looking for the other chemical half of a solar-system-destroying explosive.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard McGonagle ... Four Arms (voice)

Jim Ward ... XLR8 (voice)

Fred Tatasciore ... Cannonbolt / Doomicus (voice)

Tom Kane ... Ultimos (voice)

John DiMaggio ... Vulkanus (voice)

Vanessa Marshall ... Tini (voice)

Jonny Rees ... Synaptak (voice) (as Greg Ellis)

Season 2, Episode 7: Camp Fear

21 June 2006
The Tennysons come upon a children's summer camp besieged by large, carnivorous fungus.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)
Kim Mai Guest ... Andy (voice)

Jim Ward ... XLR8 / Wildvine (voice)

Fred Tatasciore ... Cannonbolt / Fungal Brain (voice)

Jennifer Hale ... Gilbert / Mandy (voice)

Dee Bradley Baker ... Wildmutt (voice)

Season 2, Episode 8: Ultimate Weapon

6 July 2006
Texas oil drillers unearth the Mask of Apuk, key to the most powerful and destructive weapon ever created - the Sword of Echtua.

Tara Strong ... Ben Tennyson / Computer Voice (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard McGonagle ... Four Arms (voice)

Richard Doyle ... Enoch (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Dee Bradley Baker ... Stinkfly / Security Guard (voice)

Khary Payton ... Foreman / Forever Knight #1 (voice)

Season 2, Episode 9: Tough Luck

12 July 2006
Charmcaster breaks her Uncle Hex out of prison to help him find the Keystone of Bazell and punish the one who got him imprisoned - Lucky Girl.

Tara Strong ... Ben Tennyson / Edith (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Jim Ward ... Wildvine (voice)

Kari Wahlgren ... Charmcaster / Kid (voice)

Dee Bradley Baker ... Stinkfly / Wildmutt / Magician (voice)

Richard McGonagle ... Four Arms (voice)

Khary Payton ... Hex / Driver (voice)
Dave Wittenberg ... Harold / Escape Artist / Emcee (voice)

Patricia Lentz ... Mildred / Gypsy (voice)

Season 2, Episode 10: They Lurk Below

18 July 2006
Being special guests at the first underwater resort excites Ben and Gwen till they meet the owner's snobbish grandson and a plethora of vicious undersea aliens.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly (voice)

Kath Soucie ... Edwin GrandSmith (voice)

Tom Kane ... Donovan GrandSmith (voice)

Fred Tatasciore ... Ripjaws / Employee (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Season 2, Episode 11: Ghostfreaked Out

25 July 2006
One of Ben's aliens decides to leave the Omnitrix and take over the world but needs to merge with Ben to become whole.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Tuba Player / Wildmutt / Acid Breath (voice)

Steve Blum ... Ghostfreak / Security Guard (voice)

Richard McGonagle ... Four Arms (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Cree Summer ... Frightwig (voice)

Jeff Doucette ... Thumbskull (voice)

Kath Soucie ... Little Boy / Tiffany (voice)

Season 2, Episode 12: Dr. Animo and the Mutant Ray

25 August 2006
Despite Gwen and Grandpa Max's warnings over toying with the Omnitrix, Ben messes around with it until - oops! - he breaks it and his aliens start coming out as fused hybrids.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dwight Schultz ... Dr. Animo (voice)

Dee Bradley Baker ... Stink Arms (voice)

Jim Ward ... Diamond Matter / Man #2 (voice)

Steve Blum ... Heat Jaws / Man #1 (voice)

Season 2, Episode 13: Back with a Vengeance

9 October 2006
Ben manages to unlock the master code on the Omnitrix, allowing him to change at will. It comes in handy now that Vilgax and Kevin 11 are teamed up and coming for him.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Charlie Schlatter ... Kevin Levin (voice)

Dee Bradley Baker ... Stinkfly / Wildmutt (voice)

Fred Tatasciore ... Tourist / Ripjaws / Cannonbolt (voice)

Steve Blum ... Heatblast / Vilgax / Tour Guide (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Jim Ward ... Diamondhead / XLR8 / Wildvine (voice)

Season 3


Season 3, Episode 1: Ben 10,000

25 November 2006
Gwen and Ben find themselves abducted into the future in order to help their future selves with a problem, but Dr. Animo keeps them busy by reanimating Vilgax.

Tara Strong ... Ben Tennyson / Gwendolyn Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson / Pretty Girl (voice)

Paul Eiding ... Max Tennyson / Old Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly / Spitter / Teen (voice)

Steve Blum ... Vilgax / Heatblast (voice)

Richard McGonagle ... Four Arms / Exo-Skull (voice)

Tom Kane ... Ultimos / Arcticguana (voice)

Jim Ward ... Diamondhead / XLR8 (voice)

Fred Tatasciore ... Ben 10000 / Cannonbolt (voice)

Dwight Schultz ... Dr. Animo / Monitor (voice)

Season 3, Episode 2: Midnight Madness

2 December 2006
Ben falls under the hypnotic spell of a wicked hypnotist, whose evil grand scheme for ill-gotten gains gets an unexpected boost from some alien help.

Tara Strong ... Ben Tennyson / Volunteer #2 (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Mall Cop #1 / Mall Official (voice)

Steve Blum ... Swat Cop / Volunteer #1 (voice)

Richard Steven Horvitz ... Grey Matter / Sublimino (voice) (as Richard Horvitz)

Jim Ward ... Wildvine / Mall Cop #2 / Newscaster (voice)

Season 3, Episode 3: A Change of Face

9 December 2006
While in Salam, Charmcaster tries to switch bodies with Ben but winds up with Gwen's instead.

Tara Strong ... Ben Tennyson / Female Guard (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Stinkfly / Thief #2 / Ugly Server (voice)

Kari Wahlgren ... Charmcaster (voice)
Kim Mai Guest ... Pinky / Kid (voice)
Jennifer Malenke ... Missy (voice)

Jim Ward ... Diamondhead (voice)

Vanessa Marshall ... Female Cannonbolt / Policewoman (voice)

Fred Tatasciore ... Cannonbolt / Vendor / Thief #1 (voice)

Season 3, Episode 4: Merry Christmas

11 December 2006
While traveling through Death Valley, the Tennysons come across a winterland anomaly, where Grandpa Max is forced to become Santa Claus and the kids start becoming elves.

Tara Strong ... Ben Tennyson / Doll (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Wildmutt / Stinkfly / Grandpa Elsgood (voice)
Kim Mai Guest ... Elsgood / Grandkid / Kid #1 (voice)

Richard Doyle ... Mr. Jingles (voice)

Jim Ward ... XLR8 (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Season 3, Episode 5: Benwolf

17 February 2007
After tangling with a werewolf on Navajo land, Ben starts becoming one.

Season 3, Episode 6: Game Over

24 February 2007
Ben and Gwen get trapped in a Sumo Slammers video game and must work with the game's main character in order to return to the real world.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard McGonagle ... Four Arms (voice)

Fred Tatasciore ... Cannonbolt / Kappa Statue (voice)

Clancy Brown ... Kenko (voice)

Keone Young ... Ishyama (voice)

Season 3, Episode 7: Super Alien Hero Buddy Adventures

3 March 2007
Visiting a Hollywood studio theme park, Ben discovers his alien heroes have been ripped off and are starring in a lame network cartoon.

Tara Strong ... Ben Tennyson / Kid / Woman (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Fiery Buddy (voice)

Jim Ward ... Wildvine / Announcer / Security Guard (voice)

Richard McGonagle ... Four Arms (voice)

Steve Blum ... Heatblast / Handy Buddy / Narrator (voice)

Dee Bradley Baker ... Stinkfly / Doggy Buddy / Kitty Litterer (voice)
John Cygan ... Abel North / Kangaroo Commando / Kane North (voice)

Josh Keaton ... Tim Dean (voice)

Season 3, Episode 8: Under Wraps

10 March 2007
While working on a farm, the Tennysons encounter a meteor-powered mummy that can transform living creatures into monsters.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard McGonagle ... Four Arms (voice)

Jim Ward ... XLR8 / Diamondhead / Security Guard (voice)

Khary Payton ... Teen #1 (voice)

Kath Soucie ... Joan Maplewood / Teen #2 / Cowgirl (voice)

Rob Pinkston ... Todd Maplewood (voice)

Season 3, Episode 9: The Unnaturals

17 March 2007
Ben runs across his little league team as they face in a playoff against a team of robots in juvenile disguise targeting the President of the United States.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Cash (voice)

Jim Ward ... XLR8 / Diamondhead / Announcer (voice)

Richard Steven Horvitz ... Grey Matter / Teen (voice) (as Richard Horvitz)

Fred Tatasciore ... Coach Finn / Squire #1 (voice)

Adam Wylie ... JT (voice)

Richard McGonagle ... Four Arms / President (voice)

Richard Doyle ... Enoch / Umpire (voice)

Season 3, Episode 10: Monster Weather

24 March 2007
An artificially intelligent weather machine eschews its master's control to go on wanton courses of destruction in Chicago.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Jim Ward ... XLR8 / Sam (voice)

Richard McGonagle ... Four Arms (voice)

Mark Thompson ... Vance Vetteroy (voice)

Jess Harnell ... Band Member #1 / Announcer (voice)

Steve Blum ... Heatblast / Steve / Band Member #2 (voice)

Season 3, Episode 11: The Return

7 April 2007
Ben encounters several past adversaries now working together to affect the latest space ship launch at NASA.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard Green ... Benmummy (voice)

Steve Blum ... Ghostfreak / Announcer (voice)

Dee Bradley Baker ... Stinkfly (voice)

Fred Tatasciore ... Cannonbolt / Convict (voice)

Jim Ward ... XLR8 / Radio Announcer / NASA Engineer (voice)

Michael Dorn ... Dr. Vicktor / Vicktor (voice)

Richard Doyle ... Dr. Shueman (voice)

Khary Payton ... Convict #1 (voice)

Season 3, Episode 12: Be Afraid of the Dark

14 April 2007
In this two-parter conclusion, the Tennysons struggle in outer space to prevent Earth from becoming Ghostfreak's darkened domain.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Steve Blum ... Ghostfreak (voice)

Michael Dorn ... Vicktor / Benvicktor (voice)

Fred Tatasciore ... Cannonbolt (voice)

Khary Payton ... Automated Voice (voice)

Season 3, Episode 13: The Visitor

21 April 2007
When an old friend from Grandpa Max's plumber day past appears, Ben despises not being the center of attention anymore, but then an old threat returns.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)
Dave Wittenberg ... Upchuck / Eskimo Teen #3 (voice)

Grey DeLisle ... Xylene (voice)

Dee Bradley Baker ... Wildmutt / Eskimo Teen #2 (voice)

Steve Blum ... Heatblast / Eskimo Teen #1 (voice)

Richard McGonagle ... Four Arms (voice)

Jim Ward ... Diamondhead / Wildvine (voice)

Season 4


Season 4, Episode 1: Perfect Day

14 July 2007
Ben finds himself having a seemingly perfect day only to discover that it's a plot concocted by Enoch in an effort to retrieve the Omnitrix.

Tara Strong ... Ben Tennyson / Cheerleader (voice)
Meagan Smith ... Gwen Tennyson / Cheerleader (voice)

Paul Eiding ... Max Tennyson (voice)

Jim Ward ... XLR8 / Diamondhead (voice)

Richard McGonagle ... Four Arms (voice)

Richard Steven Horvitz ... Grey Matter (voice) (as Richard Horvitz)

Michael Gough ... Lt. Steel (voice)

Richard Doyle ... Enoch / Driscoll / Forever King (voice)

Steve Blum ... Vilgax (voice)

Season 4, Episode 2: Divided We Stand

19 July 2007
While at the beach, Ben discovers a new alien hero with the power to duplicate itself. Ben must use this new form to defeat Dr. Animo and his army of mutated stinkflies.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dwight Schultz ... Dr. Animo (voice)

Rob Paulsen ... Ditto (voice)

Fred Tatasciore ... Ripjaws / Guard #1 (voice)

Season 4, Episode 3: Don't Drink the Water

25 July 2007
Hex is after the Fountain of Youth. Grandpa Max and Ben both experience the effects of its waters. They have to stop Hex from getting to the Fountain and regaining his youth and full powers.

Tara Strong ... Ben Tennyson / Toddler Ben (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Adam Wylie ... Young Max Tennyson (voice)

Fred Tatasciore ... Cannonbolt / Security Guard (voice)

Steve Blum ... Baby Four Arms / Smaller Heatblast / Tour Guide (voice)

Dee Bradley Baker ... Stinkyfly / Wildpup / Mr. Zu (voice)

Khary Payton ... Hex (voice)

Kari Wahlgren ... Charmcaster / Toddler Hex (voice)

Josh Keaton ... Hector / Kid (voice)

Season 4, Episode 4: Big Fat Alien Wedding

2 August 2007
Ben, Gwen and Max attend a family wedding in which there is much more than meets the eye.

Tara Strong ... Ben Tennyson / Cousin Lucy (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Dee Bradley Baker ... Joel / Camille's Ex-boyfriend / Justice of the Peace (voice)

Fred Tatasciore ... Cannonbolt (voice)

Steve Blum ... Mr. Mann / Heatblast (voice)

Jim Ward ... Gordon Tennyson / Diamondhead (voice)

Grey DeLisle ... Camille Mann / Mrs.Mann (voice)

B.J. Ward ... Betty Jean Tennyson (voice)

Season 4, Episode 5: Ben 4 Good Buddy

22 September 2007
The Tennysons find themselves facing off against a group of highway pirates who have hijacked the Rustbucket.

Tara Strong ... Ben Tennyson / Upgrade (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Radio Chatter #2 (voice)

Fred Tatasciore ... Ripjaws / Guard #1 / Train Conductor (voice)

Patricia Lentz ... Shelby (voice) (as Pat Lentz)

Neil Ross ... Wainwright / Guard #2 / Radio Chatter #1 (voice)
Dave Wittenberg ... Upchuck / Road Rage (voice)

John DiMaggio ... Baron Highway (voice)

Jennifer Hale ... Turbine (voice)

Season 4, Episode 6: Ready to Rumble

29 September 2007
To replace Gwen's new laptop, Ben enters a pro-wrestling tournament for its prize money but encounters two competitors with problems greater than his own.

Tara Strong ... Ben Tennyson / Little Kid / Mrs. Fong (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Thug / Announcer (voice)

Jim Ward ... XLR8 / Mr. Beck / Referee (voice)

Dee Bradley Baker ... Wildmutt / Porcupine / Immovable Object (voice)

Rob Paulsen ... Ditto / Promoter (voice)
Jason Spisak ... Gatorboy (voice)

Richard McGonagle ... Four Arms (voice) (uncredited)

Season 4, Episode 7: Ken 10

6 October 2007
Ben's son, Ken, turns ten. As a birthday gift, Ben gives Ken an Omnitrix, with ten aliens. Ken soon befriends Devlin, a youth with some ties to an archenemy of Ben's.

Tara Strong ... Ken Tennyson / Gwendolyn Tennyson / Buzzshock (voice)

Paul Eiding ... Old Max Tennyson (voice)

Fred Tatasciore ... Ben 10,000 / Way Big (voice)

Jim Ward ... Wildvine / XLR8 (voice)

Charlie Schlatter ... Kevin Levin / Devlin Levin (voice)

Rob Paulsen ... Ditto / Monitor (voice)

Richard McGonagle ... Four Arms (voice)

Richard Steven Horvitz ... Grey Matter / Kid (voice) (as Richard Horvitz)

Season 4, Episode 8: Ben 10 vs. Negative 10 Pt. 1

3 November 2007
The Tennysons investigate the theft of Plumber technology seemingly committed by foes from Ben's past.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson / Chicken Soldier (voice)

Cathy Cavadini ... Cooper (voice) (as Catherine Cavadini)

Dwight Schultz ... Dr. Animo (voice)

Dee Bradley Baker ... Stinkfly / Acid Breath / DJ (voice)

Jim Ward ... XLR8 / Diamondhead / Soldier (voice)

Richard Doyle ... Driscoll / Forever King / Thug #2 (voice)

Jennifer Hale ... Rojo / Tour Guide (voice)

Kari Wahlgren ... Charmcaster (voice)

Season 4, Episode 9: Ben 10 vs. Negative 10 Pt. 2

31 August 2007
With Negative 10 after the Sub-energy, the Tennysons and Cooper make a final stand at Mount Rushmore to keep them from getting it and taking over the world.

Tara Strong ... Ben Tennyson (voice)
Meagan Smith ... Gwen Tennyson (voice)

Paul Eiding ... Max Tennyson (voice)

Kari Wahlgren ... Charmcaster (voice)

Cathy Cavadini ... Cooper (voice) (as Catherine Cavadini)

Jennifer Hale ... Rojo (voice)

Richard McGonagle ... Four Arms (voice)

Dwight Schultz ... Dr. Animo (voice)
Dave Wittenberg ... Upchuck (voice)

Dee Bradley Baker ... Acid Breath / Wildmutt / Eye Guy (voice)

Richard Doyle ... Forever King (voice)

Season 4, Episode 10: Goodbye and Good Riddance

5 April 2008
The summer finally ends. Ben and Gwen have to go back to their normal lives. Grandpa Max tells Ben to keep the Omnitrix a secret from everyone, even his parents. Ben agrees, but Vilgax arrives and he'll stop at nothing to get the Omnitrix.

Tara Strong ... Ben Tennyson / Sandra Tennyson (voice)
Meagan Smith ... Gwen Tennyson / Girl Student #3 (voice)

Paul Eiding ... Max Tennyson / Baddie #1 (voice)

Richard Steven Horvitz ... Boy Nerdy Kid #1 (voice) (as Richard Horvitz)

Fred Tatasciore ... Cannonbolt (voice)

Jim Ward ... XLR8 / Diamondhead / Wildvine (voice)

Steve Blum ... Vilgax / Ben's Teacher (voice)

Adam Wylie ... JT / Boy Nerdy Kid #4 (voice)

Dee Bradley Baker ... Cash / Carl Tennyson / Boy Student #4 (voice)

Bill Ratner ... Narrator / Baddie #2 (voice)

Season 4, Episode 11: Episode #4.11

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Ben and Tetrax are taking the Omnitrix to Azmuth when they run into Vilgax and his army of drones.

Season 4, Episode 12: Episode #4.12

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