Unforgettable Episodes

In no particular order. Iv'e seen a lot of these shows a long time ago, so I pulled it out the top of my head. I probably forgot a lot of great episodes. Shows that don't appear here like Oz and Prison Break have some unforgettable episodes, but I'm gonna need to rewatch these shows so I could recall them specifically ;)
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1.
Game of Thrones (2011 TV Series)
Episode: The Rains of Castamere (2013)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Robb and Catelyn arrive at the Twins for the wedding. Jon is put to the test to see where his loyalties truly lie. Bran's group decides to split up. Daenerys plans an invasion of Yunkai. (56 mins.)
 
2.
Game of Thrones (2011 TV Series)
Episode: Battle of the Bastards (2016)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Jon and Sansa face Ramsay Bolton on the fields of Winterfell. Daenerys strikes back at her enemies. Theon and Yara arrive in Meereen. (56 mins.)
 
3.
Game of Thrones (2011 TV Series)
Episode: The Winds of Winter (2016)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Cersei and Loras Tyrell stand trial by the gods. Daenerys prepares to set sail for Westeros. Davos confronts Melisandre. Sam and Gilly arrive in Oldtown. Bran discovers a long kept secret. Lord Frey has an uninvited guest. (56 mins.)
 
4.
Game of Thrones (2011 TV Series)
Episode: Blackwater (2012)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
Stannis Baratheon's fleet and army arrive at King's Landing and the battle for the city begins. Cersei plans for her and her children's future. (56 mins.)
 
5.
Game of Thrones (2011 TV Series)
Episode: The Watchers on the Wall (2014)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
The battle between the Night's Watch and the Wildlings has come. (56 mins.)
 
6.
Game of Thrones (2011 TV Series)
Episode: Mother's Mercy (2015)
    1 2 3 4 5 6 7 8 9 10 8.8/10 X  
Stannis arrives at Winterfell. Tyrion runs Meereen as Daario and Jorah go after Daenerys. Jaime and Myrcella leave Dorne. Jon sends Sam and Gilly to Oldtown. Arya challenges the Many-Faced God. Cersei confesses her sins. (56 mins.)
 
7.
Game of Thrones (2011 TV Series)
Episode: The Children (2014)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
The Night's Watch story continues, with surprising developments. Daenerys experiences new consequences. Brienne and Podrick have an unexpected encounter. Bran achieves a goal, while Tyrion makes an important discovery. (56 mins.)
 
8.
Game of Thrones (2011 TV Series)
Episode: Hardhome (2015)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Tyrion advises Daenerys. Sansa forces Theon to tell her a secret. Cersei remains stubborn. Arya meets her first target. Jon and Tormund meet with the Wildling Elders. (56 mins.)
 
9.
Game of Thrones (2011 TV Series)
Episode: The Door (2016)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
Sansa and Jon make plans. Arya is given another chance to prove herself. Jorah confesses a secret to Daenerys. Tyrion meets with a Red Priestess. Yara finds her rule tested. Bran discovers the origin of the White Walkers. (56 mins.)
 
10.
Game of Thrones (2011 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
Theon helps Ramsay seize Moat Cailin. The wildlings attack Mole's Town. Sansa comes up with a story to protect Lord Baelish. Daenerys finds out a secret about Ser Jorah. Oberyn Martell faces Ser Gregor Clegane. (56 mins.)
 
11.
Game of Thrones (2011 TV Series)
Episode: Baelor (2011)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
Robb goes to war against the Lannisters. Jon finds himself struggling on deciding if his place is with Robb or the Night's Watch. Drogo has fallen ill from a fresh battle wound. Daenerys is desperate to save him. (56 mins.)
 
12.
Breaking Bad (2008 TV Series)
Episode: To'hajiilee (2013)
    1 2 3 4 5 6 7 8 9 10 9.8/10 X  
Jesse and Hank come up with an idea to take Walt down. Walt hires Todd's uncle to kill Jesse. (49 mins.)
 
13.
Breaking Bad (2008 TV Series)
Episode: Felina (2013)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Walter White makes one last attempt to secure his family's future, while also visiting some old enemies, during his final return to Albuquerque. (49 mins.)
 
14.
Breaking Bad (2008 TV Series)
Episode: Dead Freight (2012)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
The boys plan on robbing a train that has an entire car of methylamine. (49 mins.)
 
15.
Breaking Bad (2008 TV Series)
Episode: Ozymandias (2013)
    1 2 3 4 5 6 7 8 9 10 10.0/10 X  
Walt goes on the run. Jesse is taken hostage. Marie convinces Skyler to tell Flynn the truth. (49 mins.)
 
16.
Breaking Bad (2008 TV Series)
Episode: Face Off (2011)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Jesse is brought to the FBI for questioning on his knowledge of Ricin. In a last effort to kill Gus, Walt must ask for help from an old enemy. (49 mins.)
 
17.
Breaking Bad (2008 TV Series)
Episode: Full Measure (2010)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
Jesse has disappeared and Walt is in big trouble with Gus. So Gus rehires Gale to learn from Walt's cooking so that they can dispose of Walt once and for all. (49 mins.)
 
18.
Breaking Bad (2008 TV Series)
Episode: Grilled (2009)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
Tuco takes Walt and Jesse prisoner. (49 mins.)
 
19.
Six Feet Under (2001 TV Series)
Episode: All Alone (2005)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
The family prepares for the worst funeral of their lives. Ruth makes things worse on David by taking... (55 mins.)
 
20.
Six Feet Under (2001 TV Series)
Episode: Everyone's Waiting (2005)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Nate and Brenda's daughter Willa is born, but 2 months early and at only 2 lb. 4 oz., requiring a prolonged hospital stay... (55 mins.)
 
21.
Six Feet Under (2001 TV Series)
Episode: Ecotone (2005)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
Lawrence Hall Matheson chooses the wrong moment to check his pulse while jogging in a California "ecotone" - a cougar mauls him... (55 mins.)
 
22.
Dexter (2006 TV Series)
Episode: The Getaway (2009)
    1 2 3 4 5 6 7 8 9 10 9.8/10 X  
Dexter is obsessed with getting the Trinity Killer himself, especially after Arthur has tracked him to Metro Homicide and learns his real identity... (53 mins.)
 
23.
Boardwalk Empire (2010 TV Series)
Episode: Devil You Know (2014)
    1 2 3 4 5 6 7 8 9 10 9.0/10 X  
Chalky comes to an agreement with Narcisse to free Daughter Maitland. Nucky engages in alcoholic depravity. Van Alden and Eli try to steal Capone's ledgers. (55 mins.)
 
24.
Boardwalk Empire (2010 TV Series)
Episode: Farewell Daddy Blues (2013)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
Eli braces for the worst as Agent Knox launches his plan to bring Nucky down. Capone and Torrio reach an agreement in Cicero. Chalky looks to settle scores. Richard steps forward to save Tommy, at Gillian's expense. (55 mins.)
 
25.
Boardwalk Empire (2010 TV Series)
Episode: To the Lost (2011)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
Jimmy tries to make things right with Nucky, the KKK murderers get justice, and Nucky marries Margaret to avoid her testimony at his trial. (55 mins.)
 
26.
Boardwalk Empire (2010 TV Series)
Episode: Two Imposters (2012)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
After Owen's dead body is delivered in a crate and Margaret leaves him, Nucky spends the next day with a seriously wounded Eddie and Gyp's thugs trying to kill him. (55 mins.)
 
27.
The Sopranos (1999 TV Series)
Episode: The Blue Comet (2007)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
The Beginning of the End. Phil finally puts the hits on the Soprano clan and Tony puts a hit on Phil... (55 mins.)
 
28.
The Sopranos (1999 TV Series)
Episode: Funhouse (2000)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
Tony gets sick from food poisoning and blames Artie's restaurant. Pussy, meanwhile, reaches the end of the line. (55 mins.)
 
29.
The Sopranos (1999 TV Series)
Episode: Another Toothpick (2001)
    1 2 3 4 5 6 7 8 9 10 8.7/10 X  
Tony and Carmela try a therapy session together, which ends in an angry dispute. Artie, meanwhile, tries to move in on Adriana. (55 mins.)
 
30.
The Sopranos (1999 TV Series)
Episode: Pine Barrens (2001)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
While Silvio has the flu, Chris and Paulie run his collections for him, which results in the pair getting lost in the woods and nearly freezing to death. (55 mins.)
 
31.
The Sopranos (1999 TV Series)
Episode: Long Term Parking (2004)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
Tony makes a request to Johnny Sack on behalf of his cousin, and Adriana makes a request to the FBI, followed by one to Chris. (55 mins.)
 
32.
The Wire (2002 TV Series)
Episode: Bad Dreams (2003)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
The detail makes a desperate move. Nick's deceit is in the open, as Sobotka is overwhelmed by bad news... (59 mins.)
 
33.
The Wire (2002 TV Series)
Episode: Sentencing (2002)
    1 2 3 4 5 6 7 8 9 10 9.1/10 X  
Greggs comes out of her coma and manages to identify one of the shooters. She won't play the game of fingering the second shooter... (59 mins.)
 
34.
The Wire (2002 TV Series)
Episode: Final Grades (2006)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
In the Season Four finale, the bodies from the vacants pile up while Burrell offers his support to Daniels and admonishes Rawls for crossing him. A distraught Bubbles finds himself at his wit's end after his revenge plan backfires. (59 mins.)
 
35.
The Wire (2002 TV Series)
Episode: -30- (2008)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
Carcetti maps out a damage-control scenario with the police brass in the wake of a startling revelation from Pearlman and Daniels. Their choice: clean up the mess...or hide the dirt. (59 mins.)
 
36.
Homeland (2011 TV Series)
Episode: Big Man in Tehran (2013)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
While Brody starts his mission in Tehran intending to kill the grand general of Iran, Carrie tries to give local support and a extraction plan for him. (55 mins.)
 
37.
Homeland (2011 TV Series)
Episode: Halfway to a Donut (2014)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
Carrie organizes a last-ditch operation. Lockhart and Martha stall the ISI. (55 mins.)
 
38.
Hannibal (2013 TV Series)
Episode: Digestivo (2015)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
Captured in Italy, Hannibal and Will are brought to Muskrat Farm, where Mason awaits. (44 mins.)
 
39.
Hannibal (2013 TV Series)
Episode: Mizumono (2014)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Jack devises a plan to apprehend Hannibal, while Hannibal prepares for his departure. Will makes his decision, and it results in devastating consequences. (44 mins.)
 
40.
Person of Interest (2011 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Finch's number comes up when a fatal error blows his cover identity and sets off a deadly series of escalating encounters with Samaritan's operatives. (43 mins.)
 
41.
Person of Interest (2011 TV Series)
Episode: If-Then-Else (2015)
    1 2 3 4 5 6 7 8 9 10 9.9/10 X  
Samaritan launches a cyber-attack on the stock exchange, leaving the team with no choice but to embark on a possible suicide mission in a desperate attempt to stop a global economic catastrophe. (43 mins.)
 
42.
Person of Interest (2011 TV Series)
Episode: The Crossing (2013)
    1 2 3 4 5 6 7 8 9 10 9.8/10 X  
Danger closes in when the epic battle to bring the criminal organization HR to justice reaches new heights. And when the Machine suddenly gives out Reese's number, the POI team faces their greatest threat yet. (43 mins.)
 
43.
Person of Interest (2011 TV Series)
Episode: The Devil's Share (2013)
    1 2 3 4 5 6 7 8 9 10 9.8/10 X  
The team seeks justice for Carter's murder, but Finch realizes that one person may go too far in the battle against HR. Meanwhile, NYPD officer Patrick Simmons' number comes up. (43 mins.)
 
44.
The Walking Dead (2010 TV Series)
Episode: Too Far Gone (2013)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
Rick and the group face imminent danger as The Governor and his army arrive to take the prison. (44 mins.)
 
45.
The Walking Dead (2010 TV Series)
Episode: Killer Within (2012)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
Lori goes into labour when the prison comes under attack. Michonne tries to convince Andrea to leave Woodbury. (44 mins.)
 
46.
The Walking Dead (2010 TV Series)
Episode: Made to Suffer (2012)
    1 2 3 4 5 6 7 8 9 10 9.1/10 X  
Rick, Daryl, Michonne and Oscar enter Woodbury in search of Glenn and Maggie. Meanwhile, a new group of survivors encounter the prison. (44 mins.)
 
47.
The Newsroom (2012 TV Series)
Episode: Oh Shenandoah (2014)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
Shocking information regarding the source comes to light in the fight for Will's freedom. (55 mins.)
 
48.
Banshee (2013 TV Series)
Episode: Tribal (2015)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
Cadi becomes a war zone when Chayton and the Red Bones attack the station with Hood, Brock, Proctor, Siobhan and the others trapped inside. (60 mins.)
 
49.
Banshee (2013 TV Series)
Episode: We All Pay Eventually (2015)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
Hood joins forces with Gordon to save his friends from Stowe. Meanwhile, Proctor heads to Philadelphia to settle the score with Frazier, as Bunker is set on his personal revenge against his brother. (60 mins.)
 
50.
The Leftovers (2014 TV Series)
Episode: No Room at the Inn (2015)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
Matt takes his wife outside Miracle to seek answers about her condition but struggles to keep her safe from desperate tourists outside the town's gates. (60 mins.)
 
51.
Fargo (2014 TV Series)
Episode: The Castle (2015)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
In an attempt to stop the Kansas City mob, the police decide to use Ed and Peggy as bait. Hanzee betrays the Gerhardts and takes revenge. (53 mins.)
 
52.
Vinyl (2016 TV Series)
Episode: Pilot (2016)
    1 2 3 4 5 6 7 8 9 10 8.2/10 X  
Richie Finestra considers selling his struggling record company; Richie takes a detour to an unplanned... (60 mins.)
 
53.
Supernatural (2005 TV Series)
Episode: No Rest for the Wicked (2008)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
Dean's time is up and he has to pay the Devil his due. When Lilith resurfaces in New Harmony, Indiana terrorizing a family to no end Sam, Dean, and Bobby steal Ruby's knife and confront the mother of all demons in a battle to the death. (44 mins.)
 
54.
Supernatural (2005 TV Series)
Episode: Lucifer Rising (2009)
    1 2 3 4 5 6 7 8 9 10 9.5/10 X  
When the last few of the 66 Seals are broken by Lilith's minions, Sam and Dean prepare for the big and probably futile fight in very different ways... (44 mins.)
 
55.
Supernatural (2005 TV Series)
Episode: Don't Call Me Shurley (2016)
    1 2 3 4 5 6 7 8 9 10 9.7/10 X  
Amara unleashes a dark fog on a small town that causes everyone to go mad. Dean and Sam realize this is a stronger version of the original black vein virus Amara previously unleashed. (44 mins.)
 
56.
Smallville (2001 TV Series)
Episode: Finale (2011)
    1 2 3 4 5 6 7 8 9 10 9.2/10 X  
The story of Clark Kent culminates in this two-hour series finale as Clark takes the last step to becoming the Man of Steel. (60 mins.)
 
57.
Smallville (2001 TV Series)
Episode: Commencement (2005)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
When Lana (possessed by Isobel) kills Genevieve Teague by stabbing her with one of the Kryptonian Knowledge Crystals after she attempts to steal it... (60 mins.)
 
57.
House M.D. (2004 TV Series)
Episode: Wilson's Heart (2008)
    1 2 3 4 5 6 7 8 9 10 9.8/10 X  
The team works to save someone close to a central character's heart. The key is inside House's head, but he is in a bad way himself. (44 mins.)
 
58.
House M.D. (2004 TV Series)
Episode: Holding On (2012)
    1 2 3 4 5 6 7 8 9 10 9.1/10 X  
A patient's illness has its roots in the body and mind. (44 mins.)
 
59.
House M.D. (2004 TV Series)
Episode: Everybody Dies (2012)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
Treating a drug addict patient results in House examining his life, his future and confronting his own personal demons. (44 mins.)
 
60.
The Killing (2011 TV Series)
Episode: What I Know (2012)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
Linden and Holder finally find out who murdered Rosie Larsen. (45 mins.)
 
61.
Lost (2004 TV Series)
    1 2 3 4 5 6 7 8 9 10 9.3/10 X  
In the season finale, the Oceanic Six find themselves closer to rescue. (44 mins.)
 
62.
Lost (2004 TV Series)
Episode: The Incident: Part 2 (2009)
    1 2 3 4 5 6 7 8 9 10 9.4/10 X  
At the site of the Taweret statue remains, Locke assigns Ben a difficult task that involves Jacob's fate. (44 mins.)
 
64.
Grey's Anatomy (2005 TV Series)
Episode: Sanctuary (2010)
    1 2 3 4 5 6 7 8 9 10 9.6/10 X  
Seattle Grace Hospital is hit with a crisis like no other in its history. (41 mins.)