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An episode in a series that serves as a sequel to a previous episode. Different from a Two-Part Episode
, in that there may be several episodes (if not several years
) inbetween the first episode and the one that picks up the plot again.
To qualify, it's not enough to simply have an object, setting, or character from one episode appear in another, otherwise any series with a Rogues Gallery
would consist almost entirely of Sequel Episodes
. If Cop Show
has the Main Characters
arrest a thief and recover some stolen jewels in one episode, and a later episode has the thief break out of prison and cause some more havoc, that's just a One-Shot Character
moving up to Recurring Character
status. If, on the other hand, a later episode has the cops discover that the stolen jewels they recovered were actually fakes, and they have to interrogate the thief to find out where she hid the real jewels, that
is a Sequel Episode
; the plot resolved in an earlier episode is reopened and explored again in a new episode.
Obviously this only applies to series where Stand Alone Episodes
occur somewhat regularly. If the whole show is one long Story Arc
, there's not enough seperating the plot of one episode from another to make labelling it a "sequel" meaningful. However, if a series has multiple Story Arcs
, it is possible for a later Story Arc
to be a sequel to an earlier one. Compare Myth Arc
, which can be seen as a series of these in an otherwise episodic show.
Often uses Cross Referenced Titles
. Related to Continuity Nod
and Call Back
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Anime and Manga
- One of the most popular Iron Man stories was Armor Wars in the 80s. Subsequently there have been two sequels to the arc, Armor Wars II (in the 90s) and Armor Wars III (in 2012).
- Roger Stern's Spider-Man story, "Nothing Can Stop the Juggernaut" from the early 80s was followed up by 2009's "Something Can Stop the Juggernaut". And to make it even better, the sequel was written by Stern as well!
- The Redwall series currently consists of several vaguely related stories that take place in the same universe. However, there are a few cases of Direct Sequels. Mattimeo was sequel to the Original book; Mossflower has a sequel in Legend of Luke and a prequel in Martin the Warrior, and The Bellmaker is a direct sequel to Mariel of Redwall.
- Spock's World reopens the events of "Amok Time" as the motive for the Big Bad.
- Inverted in Agatha Christie's novels Murder on the Orient Express (published 1934), Murder in Mesopotamia (published 1936) and Death on the Nile (published 1937), all of which take place on the holiday that Poirot takes in the Near East. The inversion is due to the fact that the stories are prequels to each other, for in Poirot's chronology, he goes down the Nile, visits Mesopotamia, and then travels on the Orient Express, the events occurring in reverse publishing order.
- Frequently happens with Black Library stories, where authors often revisit plot threads from earlier books, often with many years and various different books passing between. This tends to happen a lot between Horus Heresy and "present day" stories, such as Titanicus, which continues the story of the stolen book from Mechanicum, though taken place thousands of years later (while also being a spinoff of the Gaunt's Ghosts series that explains why the Titan legion that was supposed to back the eponymous team up in one of the earlier books couldn't make it).
- How I Met Your Mother: First there was "Slap Bet" where Marshall won the right to slap Barney in the face five times, as hard as he can, at any moment he chooses. Next season, we got the episode "Slapsgiving", where Marshall decides to dole out one of his slaps on Thanksgiving Day and spends the whole episode putting Barney through a Paranoia Gambit. Two more years pass, and finally "Slapsgiving 2: Revenge of the Slap" arrives: it's Thanksgiving again and Marshall decides to let Ted and Robin slap Barney in his place, and, once more, Barney spends the whole episode tortured by the knowledge of what's to come.
- The first season Halloween Episode "The Slutty Pumpkin" establishes how Ted once met a girl in a pumpkin costume at a Halloween party who he had amazing chemistry with, but lost her number and has spent every Halloween since hoping to find her again. He finally meets her for real in the seventh season episode "The Slutty Pumpkin Returns".
- Buffy the Vampire Slayer:
- In the episode "The Wish" the vengeance demon Anyanka creates an Alternate Universe where vampires rule Sunnydale. By the end of the episode The Verse is returned to normal and Anyanka is left powerless. Later that season, the episode "Dopplegangland" was driven by Anyanka's attempts to regain her powers, and maybe warp reality back into a vampire run hellhole while she's at it.
- "I Was Made To Love You", an episode about Warren's robot girlfriend running amok in Sunnydale, ended with Spike getting him to build another robot. The payoff came in "Intervention" which involved Spike's newly-built Buffy-bot on the loose in Sunnydale.
- iCarly: iThink They Kissed, where Carly finds out that Sam and Freddie shared a First Kiss is the Sequel Episode to iKiss where the First Kiss occurred.
- "iPsycho" and "iStill Psycho" (and the Sam & Cat episode "#SuperPsycho").
- The fifth-season Quantum Leap episode "Deliver Us From Evil" is a sequel to the second-season episode "Jimmy": Sam leaps into Jimmy LaMotta a second time, a couple years after his first leap, and finds that the happy future he should have caused is failing to occur (thanks to an Evil Counterpart whose goal is to Make Wrong What Once Went Right). This episode gets its own sequel later that season when the evil leaper returns in "Return of the Evil Leaper".
- The X-Files:
- A first season episode "Tooms" was a sequel to an episode earlier in the season, "Squeeze", one of the few they did like that. In the first ep they caught the Monster of the Week and in the later ep he was released from psychiatric ward. It's pretty damn hard to prosecute a supernatural crime...
- The episode "Irresistible" had the sequel "Orison". They featured a creepy serial killer obssed with dead women and Agent Scully. In "Orison", he escapes from prison and tries to find Scully.
- "Pusher" had the sequel "Kitsunegari". "Pusher" is considered a brilliant episode with a great antagonist for Mulder. "Kitsunegari" is disappointing as he inexplicably became helpful and his previously-not-mentioned twin sister has the same paranormal abilities (which he gained because of his untreated brain tumour).
- In The Flash Live-Action TV series the episodes "The Trickster" and "Trial of the Trickster" were several episodes apart but they were combined into one two-hour (minus commercials) "movie" for VHS release.
- Bones's Gravedigger: first appearance in the 2nd season, caught in the fourth, put on trial in the fifth.
- Doctor Who:
- One notable example is "The Curse Of Peladon" and "The Monster Of Peladon".
- "Boom Town" from series one continues the story of a Slitheen who survived the events of the earlier episode "World War Three".
- The Dalek episodes from "Army of Ghosts" to "Journey's End" directly follow on from one another. Depending on interpretation, the surviving Daleks from "Victory of the Daleks" may have come from the Dalek invasion of "The Stolen Earth". A similar use happens with Cybus Cyberman stories from "Rise of the Cybermen" to "The Next Doctor".
- "The End of the World", "New Earth" and "Gridlock" are season-apart stories loosely connected to the Face of Boe's final message to the Doctor.
- "Mission to the Unknown", the Dalek Cutaway, led into "The Daleks' Master Plan", two serials later.
- Satellite Five (and all the mess the Doctor's involvement caused) reappears in the series 1 finale, after an assumed one-off encounter with the Mighty Jagrafess in "The Long Game".
- While Torchwood was a recurring Arc Word in series 2 (with the Doctor meeting a group identifying as the Torchwood Archive in "The Impossible Planet" and "The Satan Pit"), the Doctor's only direct encounters were at the founding in "Tooth and Claw" and his capture by (and the subsequent slaughtering of the team of by the real villains) Torchwood London in "Army of Ghosts".
- Series 4, 5 and 6 have a recurring string of non-consecutive River Song episodes ("Silence in the Library"/"Forest of the Dead"; "The Time of Angels"/"Flesh and Stone", "The Pandorica Opens"/"The Big Bang"..., though from her point of view, they're prequel episodes.
- Series 5's "The Lodger", a Breather Episode just before the series 5 finale, was followed by series 6's "Closing Time", a Breather Episode just before the series 6 finale.
- The End of Time picks up from The Master's death at the end of "Last of the Time Lords".
- Peter Davison's first year had a story called Kinda, in which a plot point was a snake-like being called the Mara gaining influence over Tegan to further its goals. The next year saw the story Snakedance, penned by the same writer, in which we learn that the Mara still has control over Tegan and possesses her once again in order to achieve physical form.
- Psych had an episode called "Extradition: Canada" and another more recent one called "Extradition: Canada 2 (The Actual Extradition Part)".
- Stargate SG-1 has what amounts to a prequel episode: "2010" is set entirely in a Bad Future, with the future versions of SG-1 working to send back a warning. The episode ends when they succeed, then a season later in "2001" the events referenced as history in 2010 start happening and they have to decypher the Note to Self to avert it.
- Hercules: The Legendary Journeys has done this a number of times. For example, there was the episode 'King For A Day', where Iolaus has to impersonate a missing king. A season or two later came 'Long Live The King', where Iolaus has to impersonate the king again.
- Star Trek features several of these, spanning multiple series. The TNG episode "The Naked Now," for instance, was a sequel to the TOS episode "The Naked Time." DS9 delighted in doing this to TOS, with "Trials and Tribble-ations" as a sequel to the iconic "The Trouble With Tribbles," and a whole series of sequels exploring the mirror universe introduced in TOS' "Mirror, Mirror." And of course, Star Trek II: The Wrath of Khan could be seen as a feature-length sequel to "Space Seed."
- Law & Order brought back its Not-O-J-Simpson character when "If I did it" was news. Keep in mind the character was from many seasons ago. Two other examples:
- "Coma" featured comedian Larry Miller as a nightclub owner whose first wife died under mysterious circumstances. He was the prime suspect until a junkie came forward and confessed to the crime. The last scene of that episode was the cops viewing a videotape where the junkie was shown to have performed at the suspect's nightclub. Two years later (in an episode called "Encore"), Miller's character returns after his second wife is murdered. He looks like he's able to evade justice again, but this time his would be third wife is revealed to have helped screw up the investigation. The cops get her to cooperate by reminding her of what happened to the suspect's first two wives.
- The first season episode "Indifference", is based on the Joel Steinberg case. In that episode, not-Steinberg was convicted and sent to jail. Around the time the real Steinberg was released (a decade and a half later), the episode "Fixed" had the not-Steinberg character be released from jail, only to be gunned down and become the victim of the story.
- Criminal Minds has Outfoxed, where the UNSUB is a copycat of a killer who first appeared in The Fox.
- According to Jim has the season 6 episode The Grill II, which is a sequel to the season 4 episode The Grill.
- Modern Family's second-season Valentine's Day Episode, "Bixby's Back", is a sequel to the first season's "My Funky Valentine", at least as it applies to Claire and Phil.
- Merlin has three Lancelot-centric episodes (though he appeared in a couple more) that encompass his Character Arc: Lancelot, Lancelot and Guinevere and Lancelot du Lac, making him the only character to have three episodes named after him.
- Supernatural has "Hell House" in season 1 and its sequel "Ghostfacers" in season 3.
- Red Dwarf has the Series VI episode "Emohawk: Polymorph II", which is a sequel to the Series III episode "Polymorph". The three-part special "Back to Earth" also acts as a sequel to the Series V episode "Back to Reality".
- CSI: Crime Scene Investigation did this with 'The Execution of Catherine Willows' and its sequel 'What's Eating Gilbert Grissom?" which aired a few seasons later. Both focused on the 'Blue Paint Killer', who was actually a pair of killers, though only in the end of the second ep was the whole setup explained.
- Also, there was storyline with the Creepy Child girl suspect in 'The Unsual Suspect' and 'Goodbye and Good Luck'
- CSI likes doing this with their serial killer cases...Paul Millander's storyline was spread over at least two seasons, with months of eps between them. Only the Miniature Killer's storyline episodes were relatively close together.
- CSI NY had a similar thing with Shane Casey, seemingly ending his case in season 3, then having him escape and start another arc in season 6.
- Scrubs: Some of the episodes are titled "His/Her/Their Story" (the usual episodes are titled as "My ___") with Roman Numerals used to indicate which part it is. These episodes focus on characters other than JD.
- Friends : "TOW the Embryos" and "TOW All the Haste" about Rachel & Monica and Joey & Chandler switching apartments. They both even start the same, with Rachel being rudely awakened in the morning.
- Iron Maiden had the tale of Charlotte the Harlot chronicled in 4 songs from 1980 to 1992: "Charlotte the Harlot" (Iron Maiden, 1980), "22 Acacia Avenue" (The Number of the Beast, 1982), "Hooks in You" (No Prayer For the Dying, 1990), and "From here to Eternity" (Fear of the Dark, 1992).
- Metallica with "The Unforgiven" on their self-titled album in 1991, and then "The Unforgiven II" on the album Reload in 1997, and finally "The Unforgiven III" on the album Death Magnetic in 2008.
- Megadeth had the fan favorite song "Hangar 18" on their 1990 album, Rust in Peace. In 2001, they released a sequel song, "Return to Hanger" on the album The World Needs a Hero.
- Manowar had a unique case of prequel episode (song), with "Metal Warriors (Brothers of Metal Pt. 2)" released in 1992 on their Triumph of Steel album, and the "Brothers of Metal Pt. 1" released in 1996 on their Louder Than Hell album.
- Overkill have: "Overkill", "Overkill II (The Nightmare Continues)", "Overkill III (Under The Influence)", "Overkill IV (E.Vil N.ever D.ies)" and "Overkill V (The Brand)". Confusingly, they covered the Motörhead song "Overkill" as well (the source of the band's name, and a completely different song).
- He Is Legend's first album included the track "The Seduction" which was followed by "Dixie Wolf (the Seduction of...)" in their second album. They also had one of "China White" parts 1, 2, and 3 in each of their three albums.
- Sluggy Freelance gave us the horror movie spoof "KITTEN", and naturally it couldn't parody horror movies without parodying the inevitable sequels; hence, "KITTEN II".
- Dragon City does this from time to time with story arcs. There was at least one story arc that have about four or five story arcs that were sequels of it and of each other since the latter ones were consequences of the first story arc.
- Jix, which is by the same person who created Dragon City, also does this from time to time, but possibly not as extensively as Dragon City.
- In Futurama the episode "The Cryogenic Woman" is essentially a sequel to the pilot episode (showing how far Fry's come, reminding us of what his life was like before he was frozen and showing how someone might suffer for being a Fish out of Water in his situation). They even pointed this out in the DVD commentary.
- During the episode "Parasites Lost", among the many changes to himself via a beneficial worm infestation in his body, Fry gains the ability to play a holophonor (it is said that not many people in the whole universe can play it, and the few that could can't play it well), cementing his relationship with Leela. However, to find out whether or not she loves the real him, Fry induces a Pygmalion Snap Back by driving the worms out of his body. He tries playing the holophonor again, and as expected, he lost both his talent and his seduction over Leela. The episode ends with Fry practicing on the holophonor, but this is not revisited until "The Devil's Hands Are Idle Playthings", a Series Fauxnale centering on Fry's ability to play the holophonor.
- Adventure Time has a lot of episodes that are continuations of others.
- "Return to the Nightosphere"/"Daddy's Little Monster" for "It Came From the Nightosphere".
- "Crystals Have Power" for "Tree Trunks".
- "Too Young" for "Mortal Recoil". "You Made Me" for "Too Young". "All Your Fault" for "You Made Me".
- "Incendium" for "Too Young". Any episode with a fire-related pun as the title will feature Flame Princess, as "Hot to the Touch" and "Burning Low" both follow "Incendium".
- "The Creeps" for "Mystery Train", and "The Vault" for "The Creeps".
- "From Bad to Worse" for "Slumber Party Panic".
- "Beautopia" for "Susan Strong"
- "In Your Footsteps" for "Mortal Recoil".
- "The Lich" and "Finn the Human"/"Jake the Dog" for "In Your Footsteps".
- "Jake the Dad" for "Lady and Peebles".
- "King Worm" for "Evicted!".
- "I Remember You" for "Holly Jolly Secrets," and even more directly, "Simon and Marcy" for "I Remember You."
- The "Lemonhope" two parter for "Too Old".
- "James II" for "James".
- "The Pit" for "Play Date".
- Steven Universe Parodies this with "Steven's Lion". The next episode where Lion plays a major role is called "Lion 2: The Movie." In it, Steven rides Lion with his Love Interest to the movies.
- The 2nd season Kim Possible ep "Return to Wannaweep" is a sequel to the 1st season ep "Sink or Swim", in which Gill, a mutated former camper "buddy" of Ron's wreaks havoc. In the sequel ep, Wannaweep has been re-opened, and Gill has reutrned to his human form.
- In the 4th season, the introduction of Hana, Ron's adoptive baby sister was a clear case of this. There are more than five episodes between Big brother and Oh no, Yono! but they are clearly meant to follow each other with plots-lines being started in Big brother coming to fruition in Oh no, Yono!.
- The Angry Beavers, the episodes "Up All Night" and "Up All Night 2: Up All Day. The Reckoning". The first one concerns the beavers trying to stay up until morning, and eventually staying up until The Future. In the second one, they get back via a Deus ex Machina and decide to go to sleep, eventually falling asleep for so long that they wake up in The Future again.
- South Park:
- In the first episode (title "Cartman Gets an Anal Probe"), alien visitors probe Cartman. This wasn't brought up again (aside from a Clip Show Parody Episode) until the 100th episode, "Cancelled".
- Season 13's "The Coon", in which Cartman adopts a superhero identity a la Batman and encounters his "archrival", Mysterion, is revisited near the end of the fourteenth season, where Cartman, back as the Coon, has gathered up the South Park kids in a superhero team reminiscent of Justice League or Watchmen, and the story proceeds to involve the gang dealing with BP (now renamed DP)'s reckless spilling that inadvertently unleashes Cthulhu and his minions upon the Earth in a massive three-episode story arc (Don't ask.) right before the 14th season finale.
- 200 and 201, while being a Milestone Celebration, were likewise sequel episodes to Scott Tenorman Must Die and Cartman's Mom Is a Dirty Slut.
- Recess: "The Big Prank" and "The Madness of King Bob"
- The Powerpuff Girls had two instances: "Supper Villain" and "Just Deserts", as well as "Monkey See, Doggy Do" and "Monkey See, Doggy Two"
- "Aspirations" is spurred from the events of "Something's a Ms.".
- The Season 3 episode of Teen Titans "X" is essentially a sequel to Season 1 ep "Masks".
- In The Simpsons episode "Viva Ned Flanders", Homer and Ned get married to two floozies while drunk in Las Vegas. The episode ends with Homer and Ned leaving town and their second wives behind. Three seasons later in "Brawl in the Family", the two women reappear, having tracked them to Springfield.
- Another episode shows Homer meeting his successful, long-lost half-brother Herb, and ends with Homer ruining his brother's career and their relationship. A later episode shows a down-on-his-luck Herb returning, regaining his fortune with the Simpsons' help, and reconciling with Homer.
- "Special Edna" was continued in "My Big Fat Geek Wedding".
- Star Trek: The Animated Series had several episodes that were sequels to episodes in Star Trek: The Original Series.
- "Mudd's Passion" to the episodes "Mudd's Women" and "I, Mudd"
- "More Tribbles, More Troubles" to "The Trouble With Tribbles".
- "Yesteryear" to "The City On The Edge Of Forever" (both involve time travel using the Guardian of Forever).
- The Family Guy episode "Internal Affairs" is a continuation of "Foreign Affairs", both go into Joe and Bonnie's deteriorating relationship.
- "Brian's a Bad Father" for "The Former Life of Brian".
- The Avengers: Earth's Mightiest Heroes episode "A Day Unlike Any Other" ended with Captain America getting abducted by Skrulls. "Prisoner of War" later shows how Cap escapes them.
- "Nightmare in Red" has the Incredible Hulk get arrested for false pretenses, and "The Deadliest Man Alive" has his teammates try to free him.
- TMNT 1987 had a couple. One was "Mr. Nice Guy," which was a sequel to the episode "Leonardo Lightens Up," as both plots involved one of the Turtles being affected by Donatello's personality ray. "Michelangelo meets Bugman," had a sequel that was naturally called, "Michelangelo Meets Bugman Again." "Adventures in Turtle Sitting" was a spiritual sequel to "Back to the Egg," as both had some of the Turtles reduced to five years old which left the one(s) who kept their natural age to look after them (notably, Leonardo was turned into a five-year-old in both). "Menace, Maestro Please," was a sequel to "Name That Toon," and is notable for immediately following the previous episode unlike most cases.
- Batman: The Animated Series had "His Silicon Soul," which was a direct sequel to the 2-part "Heart of Steel", and "Day Of The Samurai" which was a sequel to the earlier "Night Of The Ninja."
- Taz-Mania had "Here, Kitty, Kitty, Kitty," and its follow up "Here, Kitty, Kitty, Kitty Part II," which saw an evil housecat owned by Taz's sister Molly try to kill Taz, and every single time Molly saw the two the cat would pretend to be the victim.
- Rocky and Bullwinkle had the story arcs "Moosylvania" and the series finale "Moosylvania Saved."
- The Grim Adventures of Billy & Mandy episode "Skeletons in the Water Closet" ends with Billy's mom going crazy because of Grim. "Grim vs. Mom" has her coming back to settle the score. And then there's the Nigel Planter episodes, and the Secret Snake Club episodes.
- Arthur: "The Blizzard" (Season 4) features the town pooling their food and coming together to deal with a power outage. A radio broadcaster makes wildly inaccurate forecasts. Much of this happens again during "The Blackout" (Season 12), with Dave Read remembering how bad the forecasts were.
- Likewise the two episodes that deal with D.W's Snowball.
- Ren & Stimpy: Adult Party Cartoon has "Fire Dogs 2" which is a sequel to an episode of the original series, though it has little to do with it apart from it starting where the original episode ended.
- In Mickey Mouse Clubhouse, the episode "Goofy Babysitter" is a followup to "Goofy Baby", except instead of Goofy getting turned into a baby, Mickey and the rest of his friends end up transformed.
- Mr. Bogus had "Super Bogus Flies Again", as a follow-up episode to "Bogus To The Rescue".
- On Hong Kong Phooey, there was always something connecting the two 11-minute segments.
- Justice League had "The Return", a sequel to "Tabula Rasa" and "Ancient History", the sequel to "Shadow of the Hawk".
- The Transformers was not as continuity-driven as later installments, but it did have a few episodes that connected to each other despite not being a multi-parter. For one impressive example, the "Five Faces of Darkness" five-parter comes directly after the movie. "Thief in the Night" reveals what happened to Trypticon after fighting Metroplex in "Five Faces of Darkness". "Thief in the Night" is used to explain why Octane was banished by the Decepticons in "Starscream's Ghost". The ghost of Starscream would later reappear in both "Ghost in the Machine" and the Beast Wars episode "Possession". Starscream's immortality would later be used to explain Rampage's in "Bad Spark".
- The Looney Tunes Show has "Best Friends" and "Best Friends Redux".
- The Smurfs had "Smurfette Unmade" as a sequel for "The Smurfette" and "Dreamy's Pen Pals" as a sequel for "The Astro Smurf".
- Codename: Kids Next Door: Had plenty over it's run they may have well been Story Arcs.
- Operation C.A.K.E.D (which were all named with a number at the end, save S.I.X) dealt with the K.N.D confronting the Delightful Children and trying to take their birthday cake away from them Only failing in the the sixth one due to some clever manipulation by the DCfdtL. Likewise the final episode, Operation I.N.T.E.R.V.I.E.W.S, was centered around this.
- "Operation C.A.B.L.E.-T.V." lead into "Operation E.N.D".
- "Operation: J.E.W.E.L.S.", "Operation: R.A.B.B.I.T.", "Operation: C.H.O.C.O.L.A.T.E.", and "Operation: L.I.C.O.R.I.C.E." and "Operation: C.A.R.A.M.E.L." detailed the story around Numbuh Five and her arch-rival, Heinrich
- "Operation: E.N.D", "Operation: T.R.A.I.N.I.N.G." and "Operation: G.R.A.D.U.A.T.E.S." which focused on Numbuh 2's brother, Tommy, training to be a K.N.D agent.
- "Operation: P.R.E.S.I.D.E.N.T.", and "Operation: S.N.O.W.I.N.G." set up "Operation: E.L.E.C.T.I.O.N.S." Detailing the fiasco with the school president and the consequences that followed.