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Len Janson
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Len Janson
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Nominated for Oscar.
Another 2 nominations
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Known For
Smurfs (1981)
The Real Ghost Busters (1986)
My Smurfy Valentine (1983)
Fat Albert and the Cosby Kids (1972)
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Job Type
Year
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Filmography
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Writer
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Hide
Show
Writer
(58 titles)
2003
Gadget and the Gadgetinis
(TV series)
–
Face to Face to Face
(2003) (writer)
1995
Dumb and Dumber
(TV series)
1995
Baywatch Nights
(TV series)
1993-1994
Sonic the Hedgehog
(TV series)
–
The Odd Couple/Ro-Becca
(1994) (written by / segment "The Odd Couple")
–
Fed Up with Antoine/Ghost Busted
(1994) (written by / segment "Fed Up with Antoine")
–
Heads or Tails
(1993) (written by)
–
Sonic Racer
(1993) (written by)
–
Sonic Boom
(1993) (written by)
1989-1993
ABC Weekend Specials
(TV series)
–
P.J.'s Unfunnybunny Christmas
(1993) (writer)
–
P.J. Funnybunny
(1989) (writer)
1991-1992
Land of the Lost
(TV series)
–
The Sorceress
(1992) (writer)
–
Power Play
(1991) (writer)
–
Flight to Freedom
(1991) (writer)
–
Jungle Girl
(1991) (writer)
–
Something's Watching
(1991) (writer)
See all 6 episodes
»
1986-1991
The Real Ghost Busters
(TV series)
–
Not Now, Slimer!
(1991) (writer)
–
Stay Tooned
(1990) (writer)
–
Spacebusters
(1990) (writer)
–
Ghostworld
(1990) (writer)
–
It's About Time
(1989) (writer)
See all 20 episodes
»
1990
Tiny Toon Adventures
(TV series)
–
You Asked for It: Part 2
(1990) (written by / segment "The Weird Couple")
–
The Buster Bunny Bunch
(1990) (written by / segment "Squish" / as Len Jansen)
1988-1989
Slimer! And the Real Ghostbusters
(TV series)
–
Out with Grout
(1989) (writer)
–
Show Dog Showdown
(1989) (writer)
–
The Not-So-Great Outdoors
(1988) (writer)
–
A Mouse in the House
(1988) (writer)
1987
The Little Wizards
(TV series) (creator / 1987)
1986
Adderly
(TV series)
–
A Change of Mind
(1986) (writer)
1985-1986
Kissyfur
(TV series)
–
Home Sweat Home/Pooped Pop
(1986) (segment "Home Sweat Home")
–
The Birds and the Bears
(1986) (writer)
–
Bear Roots
(1985) (as Len Jansen)
1986/I
Condor
(TV movie) (written by)
1986
Solarman
(TV movie) (original story)
1984
Going Bananas
(TV series)
1983
The Biskitts
(TV series)
–
Turnaround Hound/A Dark and Stormy Knight
(1983) (story)
–
The Swamp Monster/May the Best Biskitt Win
(1983) (story)
–
The Moonpond/Fly Me to the Goon
(1983) (story)
–
The Trojan Biskitt/Snatched from Scratch
(1983) (story)
–
The Golden Biskitt/The Bone in the Stone
(1983) (story)
See all 13 episodes
»
1983
Benji, Zax & the Alien Prince
(TV series)
–
Puppy Love
(1983) (developer)
–
Gold Mine
(1983) (writer)
–
The Day of the Hunter
(1983) (writer)
–
The Prince and the Bag Lady
(1983) (developer / writer)
1983
My Smurfy Valentine
(TV movie) (story / teleplay)
1982
Mork & Mindy/Laverne & Shirley/Fonz Hour
(TV series) (story / 1982)
1982
The Smurfs Christmas Special
(TV movie) (teleplay)
1982
The Smurfs Springtime Special
(TV short) (teleplay)
1981
Space Stars
(TV series)
1981
Smurfs
(TV series)
–
Fuzzle Trouble/Smurfette's Dancing Shoes
(1981) (story)
–
The Smurfs and the Money Tree
(1981) (story)
–
The Clockwork Smurf
(1981) (story)
–
The Smurf's Apprentice/Smurf-Colored Glasses
(1981) (story / segment "The Smurf's Apprentice")
–
Now You Smurf 'Em, Now You Don't/Spelunking Smurfs
(1981) (story)
See all 26 episodes
»
1981
The Love Boat
(TV series)
–
Chef's Special/Beginning Anew/Kleinschmidt
(1981) (written by / segment "Beginning Anew")
–
Gopher's Bride/Love with a Married Man/Not Tonight, Jack!
(1981) (written by / segment "Gopher's Bride")
1981
The Flintstones: Wind-Up Wilma
(TV short) (story)
1980
The Flintstone Comedy Show
(TV series)
–
RV Fever/Birthday Boy/Clownfoot/Fred Goes Ape/Flying Mouse/Ghost-sitters
(1980) (story)
1979
The New Shmoo
(TV series) (story / 1979)
1979
Buford and the Galloping Ghost
(TV series) (story / 1979)
1979
The New Fred and Barney Show
(TV series)
1979
The Hanna-Barbera Hall of Fame: Yabba Dabba Doo II
(TV movie) (written by)
1978
Yogi's Space Race
(TV series)
1978
Tarzan and the Super 7
(TV series) (1978)
1978
Jason of Star Command
(TV series)
–
Return of the Creature
(1978) (written by)
1976-1978
Tarzan, Lord of the Jungle
(TV series)
–
Tarzan and the Island of Dr. Morphos
(1978) (teleplay)
–
Tarzan and the Space God
(1978) (writer)
–
Tarzan and the Conquistadors
(1977) (writer)
–
Tarzan and the Amazon Princess
(1977) (writer)
–
Tarzan and the Beast in the Iron Mask
(1977) (writer)
See all 24 episodes
»
1977
Space Sentinels
(TV series) (1977)
1977
The New Adventures of Batman
(TV series)
–
Birds of a Feather Fool Around Together
(1977) (writer)
–
Bite-Sized
(1977) (writer)
–
Curses! Oiled Again!
(1977) (writer)
–
Dead Ringers
(1977) (writer)
–
The Pest
(1977) (writer)
See all 6 episodes
»
1976
Ark II
(TV series)
–
Don Quixote
(1976) (writer)
–
Robin Hood
(1976) (writer)
–
The Robot
(1976) (writer)
1976
Isis
(TV series)
–
...And Now You Don't
(1976) (writer)
–
Now You See It...
(1976) (writer)
1976
Shazam!
(TV series)
–
Sound of a Different Drummer
(1976) (writer)
1975
Wacky and Packy
(TV series)
1975
Uncle Croc's Block
(TV series) (1975)
1974
Wheelie and the Chopper Bunch
(TV series)
1973-1974
Star Trek
(TV series)
–
The Practical Joker
(1974) (uncredited)
–
Once Upon a Planet
(1973) (written by)
1974
Hong Kong Phooey
(TV series)
1973
Lassie's Rescue Rangers
(TV series) (1973)
1973
Speed Buggy
(TV series)
1972
The Flintstone Comedy Hour
(TV series) (story / 1972)
1972
Fat Albert and the Cosby Kids
(TV series)
1972
The ABC Saturday Superstar Movie
(TV series)
–
Daffy Duck and Porky Pig Meet the Groovie Goolies
(1972) (written by)
1972
Sgt. Swell of the Mounties
(short)
1972
Captain Mom
(short)
1970
Sabrina and the Groovie Goolies
(TV series)
1970
Will the Real Jerry Lewis Please Sit Down
(TV series)
–
Computer Suitor
(1970) (written by)
1969
Cattanooga Cats
(TV series) (story / 1969)
1969
Blaze Glory
(short) (writer)
1967
Vicious Cycles
(short)
1967
Stop Look and Listen
(short)
1965
Boulder Wham!
(short) (story)
Hide
Show
Miscellaneous Crew
(12 titles)
1993-1994
Sonic the Hedgehog
(TV series) (story editor - 26 episodes)
–
The Doomsday Project
(1994) (story editor)
–
Spyhog
(1994) (story editor)
–
Drood Henge
(1994) (story editor)
–
Cry of the Wolf
(1994) (story editor)
–
The Odd Couple/Ro-Becca
(1994) (story editor)
See all 26 episodes
»
1987-1991
The Real Ghost Busters
(TV series) (story editor - 45 episodes)
–
20,000 Leagues Under the Street
(1991) (story editor)
–
Attack of the B-Movie Monsters
(1991) (story editor)
–
Not Now, Slimer!
(1991) (story editor)
–
The Treasure of Sierra Tamale
(1991) (story editor)
–
Slimer Streak
(1989) (story editor)
See all 45 episodes
»
1991
Land of the Lost
(TV series) (story editor)
1990
The Wizard of Oz
(TV series) (story editor - 7 episodes)
–
The Day the Music Died
(1990) (story editor)
–
Upside-Down Town
(1990) (story editor)
–
Time Town
(1990) (story editor)
–
A Star Is Gone
(1990) (story editor)
–
The Lion That Squeaked
(1990) (story editor)
See all 7 episodes
»
1990
Tiny Toon Adventures
(TV series) (story editor - 3 episodes)
–
The Wacko World of Sports
(1990) (story editor)
–
You Asked for It: Part 2
(1990) (story editor)
–
Stuff That Goes Bump in the Night
(1990) (story editor)
1987
The Little Wizards
(TV series) (story editor - 1987)
1985
Kissyfur
(TV series) (story editor)
1983
Benji, Zax & the Alien Prince
(TV series) (story editor - 3 episodes)
–
Gold Mine
(1983) (story editor)
–
The Day of the Hunter
(1983) (story editor)
–
The Prince and the Bag Lady
(1983) (story editor)
1981-1982
Smurfs
(TV series) (story editor - 62 episodes)
–
All's Smurfy That Ends Smurfy
(1982) (story editor)
–
Papa's Wedding Day
(1982) (story editor)
–
The Stuff Dreams Are Smurfed Of/The Box of Dirty Tricks
(1982) (story editor)
–
A Mere Truffle
(1982) (story editor)
–
Sleepwalking Smurfs/Smurf Me No Flowers
(1982) (story editor)
See all 62 episodes
»
1981
Space Stars
(TV series) (story editor)
1978
Tarzan and the Super 7
(TV series) (story editor - 1978)
1977
Space Sentinels
(TV series) (story editor)
Hide
Show
Producer
(15 titles)
1997
High Tide
(TV series) (producer - 1 episode)
–
Open House
(1997) (producer)
1993-1994
Sonic the Hedgehog
(TV series) (supervising producer - 26 episodes)
–
The Doomsday Project
(1994) (supervising producer)
–
Spyhog
(1994) (supervising producer)
–
Drood Henge
(1994) (supervising producer)
–
Cry of the Wolf
(1994) (supervising producer)
–
The Odd Couple/Ro-Becca
(1994) (supervising producer)
See all 26 episodes
»
1991-1992
Land of the Lost
(TV series) (producer - 8 episodes)
–
The Sorceress
(1992) (producer)
–
Power Play
(1991) (producer)
–
The Thief
(1991) (producer)
–
Flight to Freedom
(1991) (producer)
–
Kevin vs. the Volcano
(1991) (producer)
See all 8 episodes
»
1988-1991
The Real Ghost Busters
(TV series) (supervising producer - 48 episodes)
–
20,000 Leagues Under the Street
(1991) (supervising producer)
–
Attack of the B-Movie Monsters
(1991) (supervising producer)
–
Not Now, Slimer!
(1991) (supervising producer)
–
The Treasure of Sierra Tamale
(1991) (supervising producer)
–
The Magnificent Five
(1990) (supervising producer)
See all 48 episodes
»
1989
ABC Weekend Specials
(TV series) (executive producer - 1 episode)
–
P.J. Funnybunny
(1989) (executive producer)
1987
The Little Wizards
(TV series) (supervising producer - 1987)
1986/I
Condor
(TV movie) (co-producer)
1977
Space Sentinels
(TV series) (associate producer)
1976
Tarzan, Lord of the Jungle
(TV series) (associate producer - 16 episodes)
–
Tarzan's Trial
(1976) (associate producer)
–
Tarzan, the Hated
(1976) (associate producer)
–
Tarzan and the Olympiads
(1976) (associate producer)
–
Tarzan and the Ice Creature
(1976) (associate producer)
–
Tarzan at the Earth's Core
(1976) (associate producer)
See all 16 episodes
»
1974
Shazam!
(TV series) (associate producer - 15 episodes)
–
The Gang's All Here
(1974) (associate producer)
–
The Past Is Not Forever
(1974) (associate producer)
–
The Braggart
(1974) (associate producer)
–
The Delinquent
(1974) (associate producer)
–
Little Boy Lost
(1974) (associate producer)
See all 15 episodes
»
1972
Sgt. Swell of the Mounties
(short) (producer)
1972
Captain Mom
(short) (producer)
1969
Blaze Glory
(short) (producer)
1967
Vicious Cycles
(short) (producer)
1967
Stop Look and Listen
(short) (producer)
Hide
Show
Director
(6 titles)
1991
Land of the Lost
(TV series)
1972
Sgt. Swell of the Mounties
(short)
1972
Captain Mom
(short)
1969
Blaze Glory
(short)
1967
Vicious Cycles
(short)
1967
Stop Look and Listen
(short)
Hide
Show
Actor
(5 titles)
1972
The ABC Saturday Superstar Movie
(TV series)
–
Daffy Duck and Porky Pig Meet the Groovie Goolies
(1972) (uncredited)
1972
Sgt. Swell of the Mounties
(short)
Billy The Creep
1969
Blaze Glory
(short)
The Pug-Nosed Kid
1967
Vicious Cycles
(short)
Leader of the Vicious Cycles
1967
Stop Look and Listen
(short)
Hide
Show
Self
(3 titles)
2008
Ain't Afraid of No Ghosts: Creating 'The Real Ghostbusters'
(video documentary short)
Himself
2008
He Slimed Me! The Green World of Slimer and 'The Real Ghostbusters'
(video documentary short)
Himself
1990
Slimer Won't Do That! The Making of 'The Real Ghostbusters'
(TV movie)
Himself (as Len Jansen)
Related Videos
See all 12
»
Edit
Personal Details
Alternate Names:
Len Jansen