History EnemyMine / WesternAnimation

** Notable in that around half of these resulted in {{Heel Face Turn}}s. Kevin would evetnually become a good guy in Alien Force (while exploring the circumstances that led to him being villainous in later series,), the Highbreed would also side with Ben and lead his people after Ben saves them from genetic sterility. Charmcaster waffles back and forth due to her instability and being led astray by malicious individuals, but the end of Omniverse implies she does indeed make a recovery for good. Averted with Darkstar and Vilgax though, both remaining evil.

* AVerySpecialEpisode of ''WesternAnimation/{{COPS}}'' have both C.O.P.S. and C.R.O.O.K.S. joining forces against a drug-dealer.

** In the episode "Primal Perry", Doof hired a platypus hunter named Liam Mc Cracken to trap Perry in the Danville Botancal Gardens, but Mc Cracken betrayed Doof as he planned to turn both him and Perry intro trophies, forcing the two foes to run and fight back against Mc Cracken.

** In "The Bride Wore Stripes," after Ma beagle scamed her way into making the court think that she and Scrogge were legally married, she and the Beagle Boys merryly spend Scrooge's money, but when he convinces her into acting like a real housewife, she takes the role so seriously, that the Beagle Boys scheme with [=McDuck=] to reveal to the authorities that the whole thing was a scam.

* The main plot of ''Disney/{{Mulan}} II'' required the protagonists, under the Emperor's orders, to travel over to Qui-Gong to forge an alliance with the kingdom in what is essentially an enemy mine gambit to defend China from the Mongolians' imminent invasion.

** In the episode "Dangerous Minds" of season 2, Jack ends up accidentally freeing ancient spider creatures that are described as "neither good nor evil, they are simply consumers". They will literally eat everything, the world itself until there is nothing left. The villains don't like this as they want to rule the world not destroy it. [[TheHero Omi]] and [[MagnificentBastard Chase Young]] team up to stop the spiders and save the world. Chase even [[ExploitedTrope uses this as part of his plan to convince Omi to join his side.]]

* ''WesternAnimation/WanderOverYonder'' features this in "My Fair Hatey." Near the episode's end, it's revealed that Lord Dominator isn't interested in conquering the galaxy for the purpose of ruling it, instead she wants to destroy it. Hater and Peepers decide to save the galaxy (so they can conquer it later) Subsequent episodes involve Hater, Peepers, Wander and Sylvia working together to stop her.

** Issue 12 of the continuation comics sees Zim and Dib accidentally slingshotted into a BadFuture where Zim has conquered the world. However, since [[OtherMeAnnoysMe the two Zims don't get along]], the present day one teams up with Dib to defeat Emperor Zim and escape back to the past.

--->'''Danny''': (to Ember) Guy really knows how to motivate you...

** Danny and every single ghost in existence teaming up to turn the Earth intangible in "Phantom Planet." Wow, he ''does'' do this a lot!

** In "Livin' Large", the [[TheMenInBlack Guys in White]] tried to blow up the Ghost Zone, unaware that it'd destroy Earth as well, and Danny teamed up with some of his ghostly enemies to stop them.

* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'':
** In "Viva Las Pegasus", Applejack and Fluttershy have to team up with the Flim-Flam Brothers to defeat Gladmane. The brothers' only reason for helping them was that they wanted revenge on Gladmane for tricking them, and go back to their con artist ways as soon as Gladmane has been subdued.

** By the end of "Frenemies", [[spoiler:Cozy Glow, Queen Chrysalis and Lord Tirek decide that a temporary partnership is the best option for them. None of them want to be subordinate to another, and while they found their success upon working together to be enlightening, they feel that a long-standing partnership would make them susceptiple to the PowerOfFriendship, something that fills them with hatred.]]

** In "Viva Las Pegasus", Applejack and Fluttershy have to team up with the Flim-Flam Brothers to defeat Gladmane. The brothers' only reason for helping them was that they wanted revenge on Gladmane for tricking them, and go back to their con artist ways as soon as Gladmane has been taken care of.
** In "School Raze", [[spoiler:the racist Chancellor Neighsay chains up the non-pony students in a dorm when he takes over, but then when Cozy Glow double-crosses him, the newly-freed students rescue him, and his gratitude facilitates his redemption]].
** By the end of "Frenemies", Queen Chrysalis, Lord Tirek, and Cozy Glow decide that a temporary partnership is the best option for them. None of them want to be subordinate to another, and while they found their success upon working together to be enlightening, they feel that a long-standing partnership would make them susceptiple to the PowerOfFriendship, something that fills them with disgust.

** By the end of "Frenemies", Queen Chrysalis, Lord Tirek, and Cozy Glow decide that a temporary partnership is the best option for them. None of them want to be subordinate to another, and while they found their success upon working together to be enlightening, they feel that a long-standing partnership would make them susceptiple to the PowerOFriendship, something that fills them with disgust.

* ''WesternAnimation/PeterPanAndThePirates'', in one episode Hook put aside his plans to kill Peter Pan and the Lost Boys because he wants to help them play ''Literature/RomeoAndJuliet'' correctly, as the WickedCultured he is, doing a join production between Pirates and Lost Boys. Both groups seem trully to be getting along for a while, but then [[spoiler:Hook puts real poison for Peter to drink it]]. When he thinks he accidentally [[spoiler:drank it]] HilarityEnsues as he performs one of the best good bye monologues ever said. It helps that he was voiced by Creator/TimCurry.

* ''WesternAnimation/MyLittlePonyFriendshipIsMagic'': In "Viva Las Pegasus", Applejack and Fluttershy have to team up with the Flim-Flam Brothers to defeat Gladmane. The brothers' only reason for helping them was that they wanted revenge on Gladmane for tricking them, and go back to their con artist ways as soon as Gladmane has been taken care of.

** In the first movie, "Reign Storm", Danny, Vlad, and Valerie had to team up to try and take down the much greater threat that was Pariah Dark. In fact every enemy ghost came to help out during the final battle. (Except Dark Danny, [[SealedEvilInACan for obvious]] [[FutureMeScaresMe reasons]].)During the final battle:

** In the episode "The Witch and the Warrior", Teela and Evil-Lyn are forced to work together when they are stranded in the desert and Evil-Lyn has been BroughtDownToNormal. One of the most popular episodes due to all the [[HoYay Les Yay]].

** In "The Louise Detective", Bob is released from prison to help the Simpson family figure out who is the {{Serial Killer}} trying to kill Homer.

* ''WestrernAnimation/SpongeBobSquarePants'': Mr. Krabs and Plankton have teamed up on a number of occasions.

** Duncan and Harold were forced to work together in the final few episodes of ''WesternAnimation/{{Total Drama Action}}'' when they are left on the same team with Leshalwna and Heather, both of whom cannot be trusted (the latter for fake crying to win a reward and the latter for being the {{Alpha Bitch}} of the first season). Also, Duncan and Beth in the season finale.

*** One episode features the crimefighter and the duck/plant hybrid fighting together against an invasion of evil cabbages from outer space. Bushroot justifies joining forces with Darkwing as follows: