foreshadows another work that would be produced by the same people much later. If this happens in the same continuity as the work they appeared in, it's an Early-Bird Cameo. If it's not, but the work they originally appeared in has already been made (but you haven't seen it since it hasn't been localized), then Marth Debuted in Smash Bros. When this happens the other way around, it's a Production Throwback. Super-Trope to Sequel Hook.
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Anime and Manga
- One episode of Full Metal Panic! The Second Raid features Souske getting a haircut. During a bit in a barber shop in which Souske makes a scene, the shot cuts to several characters outside the shop taking notice. Each character is from Death Note. Kyoto Animation, who animated that season of FMP, had intended to animate the anime adaptation of Death Note, but the contract ultimately went to Madhouse instead.
- At one point in Air, Ayu, Nayuki and Makoto from Kanon appear as Mizuzu's classmates, and later on Kyoto Animation would go on to animate that series, as well as several other Key/Visual Arts properties, of which Air was the first.
- The last of the Tribute Comics included in the pamphlet for Magical Girl Lyrical Nanoha The Movie2nd As had Movie Comics Continuity Nanoha, Fate, and Hayate talking about the various timelines and Alternate Continuities of the series, ending with Hayate wondering "if there's a world where we all live as normal elementary schoolers"? Around one year later, Magical Girl Lyrical Nanoha INNOCENT was released, an Alternate Universe where all of the Nanoha cast are normal earthlings.
- The Vertigo Comic Book Nevada was an expansion of a throwaway gag in Marvel Comics' Howard the Duck, which mentioned "a mandatory fight scene between a Las Vegas chorus girl, an ostrich, and a standing lamp". Both were written by Steve Gerber.
- In What's New? with Phil and Dixie, Agatha and Krosp appear here in the background, a full two years before Girl Genius started. In fact, Krosp was an occasional recurring character in the Duelist days, about a decade before Girl Genius started! The Professors Foglio were working on this for a long time.
- Since 2003, Pixar has been doing this a fair deal:
- In Monsters, Inc. (pictured above), one of Boo's toys is Nemo from Finding Nemo.
- In Finding Nemo, a boy in the dentist's waiting room is reading a comic book of The Incredibles.
- In The Incredibles, a scene features in the background a Hudson Hornet resembling Doc Hudson from Cars.
- In Ratatouille, whilst working his way up to the rooftops of Paris, Remy is chased by a dog (seen only in silhouette) bearing a striking resemblence to Dug from Up.
- Also from Up, Carl's cane is seen in WALL•E.
- An apartment Carl's house flies by in Up has Lotso from Toy Story 3.
- And in Toy Story 3, one of Andy's posters features Finn McMissile from Cars 2.
- Cars 2 has car-versions of the royal family of Brave pictured on a tapestry in the British pub.
- Brave itself, meanwhile, has Sulley visible on a sack (to prepare for Monsters University.)
- An example of foreshadowing that took quite a while to get payoff (and may be a coincidence): Toy Story (from 1995) includes a gas station with the name "Dinoco", whose logo is a green Apatosaurus. Not only is Dinoco one of the characters in Cars, but Pixar's upcoming movie The Good Dinosaur stars... a green Apatosaurus!
- Pinocchio has books of Alice in Wonderland and Peter Pan propped in the background during the Storybook Opening.
- In Walt Disney's introduction to a TV broadcast of Alice in Wonderland, Walt discusses a Christmastime tradition that people living in England have of performing pantomimes of classic stories. The stories that Walt gave as examples include Beauty and the Beast (which was currently in Development Hell) and, coincidentally, Aladdin.
- The Animated Adaptation of Batman: The Dark Knight Returns was foreshadowed 14 year earlier in the Batman: The Animated Series episode "Legends of the Dark Knight"
- Jean-Luc Godard's Vivre Sa Vie explicitly references Jules et Jim, directed by his fellow at time François Truffaut, but it wasn't released yet.
- In the Quentin Tarantino-written True Romance, Leo Donowitz is filming a World War II movie. Tarantino's later WWII movie Inglourious Basterds features a Donny Donowitz.
- Another Tarantino example: In Pulp Fiction, Mia talks about filming a pilot episode about an all-women assassin squad. This was intended to be a reference to the later Kill Bill movies (the KB plot changed a bit in the meantime).
- Yet another Tarantino example: Pam Grier is one of the subjects of the Seinfeldian Conversation in Reservoir Dogs. She'd be the star of Jackie Brown a few years later.
- In the 2003 movie The Singing Detective, Robert Downey, Jr.'s character describes his memory of watching his mother have sex with a stranger, with the onomatopoeias "Kiss Kiss Bang Bang".
- In Jay and Silent Bob Strike Back, they walk past a movie set where Daredevil is fighting some ninjas. The scene was probably put in because Kevin Smith was supposed to have directed (or written) the Daredevil movie - Ben Affleck appearing in both was probably just a coincidence.
- This exchange from Titanic (1997) uses the term "I see you" in the exact manner as it would later be used in Avatar, which was already written.
Rose: You have a gift, Jack. You do. You see people.Jack: I see you.
- Sabrina: Linus orders a pair of ticket for the play "The Seven Year Itch". Director Billy Wilder followed up Sabrina with a film adaptation of that play, saying it interviews that the seemingly throwaway line was a preview of things to come.
- M. Night Shyamalan 's The Happening featured a scene at the end with a little girl wearing an Avatar: The Last Airbender backpack, foreshadowing Shyamalan's live action feature film of the series a few years later.
- Pufnstuf, the film version of the Sid and Marty Krofft TV series H.R. Pufnstuf, features a number of bits that foreshadow the Kroffts' follow-up series, The Bugaloos. For starters, not only is Martha Raye (who plays the main villain in The Bugaloos, Benita Bizarre) is playing the role of Boss Witch, but also, her henchman, Heinrich, is basically an Expy of one of Benita's henchmen, Funky Rat. Also, in one scene, Witchiepoo steals Freddy the Flute while disguised as a hippie dance instructor named Betsy Bugaloo.
- In Star Trek: First Contact, after Picard discovers the Borg from the 24th century are attempting to contact 21st century Borg, Dr. Crusher says "But in the 21st century, the Borg are still in the Delta Quadrant..." Within the film, this is just exposition. But when it was released, it was a reminder that as Star Trek: Voyager was set in the Delta Quadrant, sooner or later the ship would hit Borg space — something which came to pass several months later.
- Avengers: Infinity War: The main MacGuffin of the two films, the Infinity Gauntlet, showed up all the way back in 2011's Thor, as a Freeze-Frame Bonus in Odin's Vault.
- Blade II features a character named Scud who wears a B.P.R.D. t-shirt. Director Guillermo del Toro had already signed on to direct and produce Hellboy.
- Books in The Magic School Bus series often did this. On one of the final pages, Ms. Frizzle would wear a dress related to the topic of the next book. (For instance, her dress would have pictures of bees on it, and the next book would be about bees)
- The Baton Rouge-class cruiser appeared in the Star Trek Spaceflight Chronology (a 1980 licensed reference book that documented human space technology from Sputnik I to Star Trek The Motion Picture) as one of the starships used just before the timeframe of the original series. Apart from the external deflector dish on the secondary hull, it bears a striking resemblance to the Enterprise-D of Star Trek: The Next Generation (not coincidentally, both were designed by Rich Sternbach). Also, some illustrations from the book were used as computer displays (the eponymous "Okudagrams").
- The Discworld books often did this, not just by using Sequel Hooks but also by often taking statements and segments during the book and expanding them into their own works later on. The most egregious example from this may be the book The Amazing Maurice and His Educated Rodents, which was first mentioned in Reaper Man. There are ten years and 15 other Discworld novels in between these works.
- In one episode of Spaced, after a day of being high and playing Resident Evil 2, Tim starts hallucinating that he is surrounded by zombies. The production of this episode is where everybody on the show realized how familiar they all were with classic zombie horror, which led to the later film Shaun of the Dead.
- The Colbert Report was originally a fake commercial. Stephen Colbert had mentioned how much better his own show would be on The Daily Show long before The Colbert Report.
- Doctor Who has, since the reboot in 2005, three times shown a character that would be the next companion in the season prior. First was Freema Agyeman, who played the cousin of Martha Jones (also played by Freema) during "Army of Ghosts" and "Doomsday". Catherine Tate was the companion Donna Noble just before Freema became the companion. This is the only case where the actress didn't appear as another character. Finally, Karen Gillan appeared as a one of the prophets in The Fires of Pompeii before joining as Amy Pond with the new Doctor. (also good cases of You Look Familiar) And then Jenna-Lousie Coleman did it for the same season when she appeared in Season 7's Asylum of the Daleks as Oswin, who died in that episode, and the Christmas Special The Snowman as Clara Oswin, who also died, before finally appearing as Clara Oswald in The Bells of St John's.
- Also Bernard Cribbins as Wilf Mott appeared as a newspaper seller in Voyage of the Damned. Next season he was revealed/repurposed as Donna's grandfather, and eventually became a one-shot companion.
- And then there's Peter Capaldi, the Twelfth Doctor, who played Caecilius alongside Karen Gillan in "The Fires of Pompeii."
- In later episodes of Drake & Josh one of the marquees at The Premiere theater reads Now She's Carly (referring to Miranda Cosgrove, who played Megan on that show and goes on to play Carly in iCarly)
- Star Trek:
- Star Trek: The Next Generation: The two-part episode "Unification" features Leonard Nimoy as Spock, and makes several references to Star Trek VI: The Undiscovered Country, which was still a month away.
- In the Star Trek: Deep Space Nine episode "Trials and Tribble-ations", when Sisko tells the Temporal Investigators that he'd encountered the Enterprise during the events of TOS' "The Trouble with Tribbles", one investigator says "Be more specific, there have been five vessels named Enterprise...", making the other investigator correct him by saying "Six.", referring to the Enterprise-E, which was about to debut in Star Trek: First Contact.
- The Boy Meets World episode "Seven the Hard Way" did foreshadow a number of things in the Sequel Series Girl Meets World including Shawn being a writer and Cory and Topanga's first child being a girl (though her name wasn't Riley in the episode), and from the sounds of it a season two episode, Eric becoming "Play With Squirrels".
- Of Montreal : "Faberge Falls For Shuggie" from the album Hissing Fauna, Are You the Destroyer? ends with the chant "Skeletal lamping, the controller sphere, false priest". These would turn out to be the titles of the next three releases.
- The Future Sight set of Magic: The Gathering contained several themes (and cards) that would make their "proper" debuts in later sets. It was the third set of the Time Spiral block, whose previous two sets contained Production Throwback and What Could Have Been.
- Magic has done quite a bit of this of late to create a feeling of continuity between sets with unrelated stories. A set will often be seeded with individual cards or a sub-theme that will be expounded on in a later set or block.
- When Warhammer 40,000 released its 5th Edition in 2008, the section containing pictures and background material for its armies had very little to say about the Dark Eldar, which combined with the fact that the army's codex was a decade and two editions old led to fears that the Dark Eldar would be discontinued. But what the core rulebook did contain was a piece of artwork with drastically redesigned Dark Eldar infantry and vehicles, as well as an in-universe chart graphing Eldar pirate raids that showed a ten-year lull in activity followed by a massive spike. Sure enough, the Dark Eldar got a new codex and new models in 2010, which were regarded as some of the best in the franchise's history.
- In Super Robot Wars Original Generation 2, Excellen Browning notices that all the Humongous Mecha produced by Isurugi Industries have names ending in -lion & makes a joke something along the lines of "Does that mean they made Go-" before being interrupted. Two years later Super Robot Wars W was released featuring GoLion's SRW debut.
- The 3DO version of Policenauts was preceded by a supplemental database disc known as the Pilot Disk which featured information on the game's production and plot. The database disc was later ported to the PlayStation as Policenauts: Private Collection. Both versions of the disc feature a glossary of the game's terminology. If you look for the definition of FOXHOUND on the glossary, you will find early concept art for Metal Gear 3, which ultimately became Metal Gear Solid, drawn by none other than Yoji Shinkawa himself.
- In Persona 3: Portable, there's a NPC at a bar who mentions girlfriend problems and strange dreams, but tells the protagonist it's not something s/he will have to worry about now. This character is Vincent, the protagonist for the then-upcoming Atlus game Catherine.
- A Sonic the Hedgehog air freshener can be seen hanging hanging from the player's rear-view mirror in the Sega racing game Rad Mobile, which was released for the arcades two months before the original Sonic the Hedgehog for the Genesis.
- The Nintendo 3DS remake of The Legend of Zelda: Ocarina of Time has several rooms with (not so) hidden artwork from the then-upcoming Skyward Sword for the Wii.
- The English pub scene in Uncharted 3: Drake's Deception features a newspaper with a headline about deadly fungus, which is a reference to Naughty Dog's upcoming The Last of Us. Although according to Word of God, it was a company in-joke that wasn't meant to be in the final version of the game, and almost ruined Naughty Dog's surprise reveal.
- The trailer for the Nintendo 3DS that Nintendo used for its 2010 E3 Press Conference (where Shigeru Miyamoto and Reggie Fils-Aime get sucked into a 3DS) featured what turned out to be an early rendition of the final portion of the final boss fight against Bowser from Super Mario 3D Land.
- Super Smash Bros. Melee had previews to future titles Cubivore and Animal Crossing, as well as on to the (then) future installment in the Fire Emblem series in Roy.
- Super Smash Bros. Brawl serves as one for Kid Icarus: Uprising, albeit somewhat retroactively (Uprising was originally a completely unrelated game until the dev team thought that Pit & co. would be a perfect fit for their concepts). Pit and Palutena's updated looks are used in Uprising, as well as Pit's bow-twin swords weapon. His Fallen Angel Palette Swap from the game, on the other hand, became an actual character that even became a Smash fighter himself. It should be noted that Masahiro Sakurai of Kirby fame helms both the Super Smash Bros. series and Kid Icarus Uprising.
- To promote Super Smash Bros. for Nintendo 3DS and Wii U, Sakurai runs a "Pic of the Day" feature to discuss certain features of the game. In a post discussing a trophy of a stage, Sakurai ended the post by saying, "I wish I could have a figurine like this in real life." The following E3, Nintendo unveiled their amiibo toyline, and the first amiibo are for the Smash games (though they are only of the fighters, not stages).
- The Wii U version features a stage and music from Yoshi's Woolly World, which would not be released until spring 2015 (whereas Smash came out in holiday 2014). In a Miiverse post revealing the stage, Sakurai noted that it had been added late in development.
- In the Team Fortress 2 official comic "A Smissmas Story", Balloonicorn (who would later appear in Meet the Pyro) made its first appearance as a Christmas ornament.
- Mega Man ZX Advent features the 8-bit styled bonus game Mega Man a, with graphics reminiscent of the classic NES series. Guess which game Inti Creates worked on next.
- Halo 3: ODST was the second-to-last Halo game Bungie made before turning over the series to 343 Industries. However, this hidden poster◊ alluded to their next big work: Destiny.
- In a cutscene from Hitman: Blood Money, the camera briefly lingers on a copy of The Anatomy Lesson of Dr. Nicolaes Tulp, which would be much more important to the plot of Eidos' next big game in development at that time, Deus Ex: Human Revolution.
- In Madworld, there's an ad for The Gates of Hell in the subway. The Gates of Hell is the bar from Bayonetta, which was still in development at the time of Madworld's release. Also becomes Hilarious in Hindsight once you realize that Madworld was a Wii exclusive, the first Bayonetta was an Xbox 360/PlayStation 3 exclusive, but as of Bayonetta 2, all further games in her series will be Nintendo exclusives.
- In Anarchy Reigns, there is a scene where Max (the antagonist) strangles the Blacker Baron's hoe, Mathilda. Baron's response to this is, "No one said you could touch, mother fucker!" In the E3 trailer for Bayonetta 2, Bayonetta says this same line, minus the "mother fucker" part.
- The fifth game in the Dark Parables series, The Final Cinderella, includes a sketch of the Crooked Man and the Crooked Cat, from the nursery rhyme. Blue Tea Games later revealed on their Facebook page that this was a piece of Production Foreshadowing for their new series, Cursery, a dark take on classic nursery rhymes.
- Nintendo announced that a 3D remake of The Legend of Zelda: Majora's Mask in the vein of Ocarina of Time would be under consideration, but not until an original 3DS installment of the series had been officially published. This, presumably, is the reason for the cameos of a few masks to the Nintendo Gallery in Wind Waker HD, and why Link has Majora's Mask hanging on his wall in The Legend of Zelda: A Link Between Worlds (the aforementioned 3DS game).
- One reference to a future game was intended in Final Fantasy VII, but was botched by a mistranslation. In a scene where Cloud is incoherently babbling, one of his utterances is "Zeno....gias." He was actually supposed to say was "Xenogears."
- In The Secret Of Monkey Island, one of the patrons in the SCUMM Bar is wearing a button that says "Ask me about LOOM" (Lucasfilm Games' then-upcoming production), and if you talk to him, he'll launch into a sales pitch for the game.
- Freeware game Pause Ahead has several words and phrases that appear on the Pause Screen. In levels where the screen mentions anagrams, one of the repeating phrases is "Ozuak", calling forward to the Strategy RPG Police Team Kazuo.
- If you make your way to the attic in Fleuret Blanc, Squeaker can tell you two additional stories that are not fairytale retellings like the stories he tells in the main plot. These stories still relate to Fleuret Blanc's Central Theme of materialism, but the story about a stone that confers the power to kill with a word also contains parallels to the developer's later game Last Word.
- Platypus Comix has two comics foreshadowing the debut of Free Spirit:
- Heroine Winnie Goodwin made a guest appearance in the Electric Wonderland comic "Into Thin Aerynn" months before Peter Paltridge officially decided to give Winnie her own webcomic.
- The Keiki story "Haole Berry" has a scene where Beefer throws rocks at three of the main characters: Winnie, Gene Harper, and Gene's older sister Jessie. He admits to Keiki that he doesn't know who any of them are, but has an inexplicable hatred for them.note
- The Pound Puppies (2010) episode "Lucky Gets Adopted" uses the instrumental of the song "Love Is In Bloom" from the My Little Pony: Friendship Is Magic episode "A Canterlot Wedding - Part 2". Interestingly, both episodes are Season Finales.
- In The Simpsons episode "Mayored to the Mob", Uter is seen wearing a Futurama t-shirt 3 months before Futurama actually premiered.
- The Barney Bear short Barney's Hungry Cousin had Barney going to picnic at Jellystone Park, five years before it became the residence of Yogi Bear (Bill Hanna and Joe Barbera were directors at MGM during that time).