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When the writers pull something out of thin air (or... somewhere else) in a less-than-graceful narrative development, they violate the Law Of Conservation Of Detail by dropping a plot-critical detail in the middle, or near the end, of their narrative without Foreshadowing, or dropping a Chekhovs Gun, earlier on. Often used to cover up poor retconning.

Often includes New Powers As The Plot Demands. With those, it's Chekhovs Lecture or Chekhovs Skill that was forgotten earlier.

An Ass Pull used to resolve an unwinnable situation for the protagonists is a Deus Ex Machina. An Ass Pull used in the same way for the villains is a Diabolus Ex Machina. An Ass Pull doesn't necessarily have to resolve or derail a situation, though; many times, an asspull is just used without any greater plot implication. Please limit examples on this page to ones that don't fit in either of the other two.

The term is also used to describe something that the characters make up on the spot.

And then there are times when the term may be used literally, typically combining Victoria's Secret Compartment with You Do NOT Want To Know. See also Shocking Swerve.

Examples

Anime and Manga
  • Bleach: The Reveal of Aizen as the Big Bad looks like an asspull, but it's not; with a little further thinking you realize they've been setting it up since a good thirty episodes ago. Probably.
    • It does rely, however, on a hidden MacGuffin that no fan could possibly have known about, and the plotting of a whole new set of bad guys that hadn't been mentioned. Furthermore, Aizen's ludicrously powerful zanpakutou made all of his plotting mostly unnecessary, and most of the convoluted set-up unnecessary for anything other than artificially manufacturing a surprising reveal.
  • One of Gundam SEED and its sequel's biggest faults was the inability to kill cool good guys who are over 20. The result is that characters are revealed to have lived despite being in exploding mechas. The first person at least loses his arm, but the second only has a large scar, but is otherwise fine.
  • A variation was used in Mahou Sensei Negima, where the other characters force Chisame to get a magical pactio with Negi for the sole reason that her artifact might be something useful for their situation. Turns out that it's exactly what they needed. Although it kind of makes sense, in that the artifact is based on the person's personality, so they had some idea of what to expect.
    • They do it again when Asakura reveals her pactio and again the artifact is exactly what the group was in need of. The total convenience of it was lampshaded repeatedly by the other characters.

Film

Live Action TV
  • The Star Trek writing team did this when Denise Crosby expressed regret over quitting Star Trek The Next Generation, with several episodes featuring Crosby as Romulan Commander Sela, a half-human half-Romulan alternate-universe daughter of her original character Lt. Yar.
  • In Star Trek, for an example of the "Character Made It Up On The Spot", in "The Cobomite Maneuver" Kirk pulls some Corbomite out of his ass, calling it a material that can reflect the attackers' destructive potential back on them and everything else in a large area and then some. It was entirely a bluff to get Balok to back down. It worked so well, he pulls it out again for some Romulans in "The Deadly Years".
    • Then they actually made a Corbomite Reflector- it's the special equipment of the Federation capital ships in Star Trek: Armada, the video game. Though it should be noted that it was simply named after Kirk's bluff and that games don't count in Star Trek Canon.
    • Notably, Harlan Band tries the exact same maneuver (in a bit of a Shout Out) against the Spung in an episode of Space Cases. It doesn't work, apparently because the Spung warlord is played by George Takei.
  • In the first season of 24, it was decided only towards the end of the season that Nina would be the series's major mole. This despite it contradicting some of her actions as seen earlier in the season.
  • Possible literal Ass Pull in the Doctor Who episode "Bad Wolf". Captain Jack produces a small gun out of nowhere while completely naked.
    ZU-ZANA: But... that's a Compact Laser Deluxe!
  • Perhaps the ultimate in television is the infamous reappearance of Bobby Ewing in the shower on Dallas.
  • Serena Southerlyn's "coming out" scene ("Is it because I'm a lesbian?") in Law And Order. It was ambiguously hinted at on occasion, and since the show rarely ever shows any personal life aspects for a character (as a "gimmick"), this may be less of an Ass Pull and more of a "Oh, we didn't mention that?".
  • Thank God You're Here is a very, very deliberate case of this.

Video Games
  • Apparently where Max of Sam And Max keeps his gun, though it's still none of our damn business.
  • Capcom has a history of this with Street Fighter, especially concerning:
    • Balrog who somehow "isn't" Mike Bison due to localization and fear of lawsuits.
    • Birdie being "sick" in previous games due to his new Alpha designs.
    • Poison's "sex change" due to Nintendo's policies regarding violence against females.
    • Hugo somehow not being an Andore.
    • The whole Cammy story, but some people accept it.
  • Subverted in S.T.A.L.K.E.R. In a mission you have to get a USB drive from a guy, who has been taken hostage. When you get to him and take you can say "Where were you keeping this? It might be good to know." His response: "Not where you think I had it. I just have experience hiding things."
  • In World of Warcraft, the "twist" of M'uru allowing himself to be captured and drained by the Blood Elves would have far more effective if everything in the game hadn;t pointed in the opposite direction (M'uru making active attempts at escaping, the Blood Elves becoming increasingly violent and arrogant about their stolen abilities, etc). One of the Blood Elf leaders, Lady Liadrin, pulling a complete 180 in terms of personality in the space of three seconds didn't help the plot development seem any less of an ass pull.

Webcomics