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''Pokémon: Lucario and the Mystery of Mew'', known in Japan as ''Mew and the Wave-Guiding Hero: Lucario'', is the eighth ''{{Anime/Pokemon}}'' movie, and the last to be dubbed by 4Kids before losing the rights to the series.

In ancient times of Rota Town in the Kanto region, two armies warred against each other, threatening the safety of all the people who lived there as well. Because of this, a Knight named Sir Aaron, who could use a mysterious power called Aura, and his apprentice, a Pokémon named Lucario, were sent by the queen of Rota to quell the fighting. On their way, Sir Aaron told Lucario that he's leaving the kingdom and never coming back, before sealing Lucario away in his magic staff. Sir Aaron stopped the war and was proclaimed a hero, but no one ever knew what happened to him. Flash forward to the present where Ash Ketchum and friends are visiting Cameran Palace in the middle of Rota Town for a Pokémon tournament. Being TheHero and all, Ash naturally wins, and so is presented with the Staff of Sir Aaron. Because Ash wore a costume identical to Sir Aaron's clothes and Lucario sensed an Aura coming from him, Lucario escaped from the staff, only to wind up distraught by his new surroundings and distrusting of humans. Later that night during a party, a Mew enters the Palace, seeming to want to play, but is then attacked by a mysterious thief. While fleeing, Mew accidentally takes Pikachu (and Meowth) away to a nearby landmark called the Tree of Beginnings. So it's up to Ash and friends, along with Lucario's help, to rescue Pikachu.

The film is generally considered among the best of the series, as it makes a breakaway from the mostly derivative plot of the many ''Pokémon'' movies by featuring much more engaging characters and story. As of October 2014, it has an [=IMDb=] rating of [[http://www.imdb.com/title/tt0875609/ratings 7.0 out of 10 from 1,593 votes]].

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!!This movie provides examples of:

* AmbiguouslyBrown: Kidd.
* TheAce: Kidd. To quote Brock: "Kidd Summers has set a world record for setting the most world records ever a~~~nd, she's soared higher, dived deeper, and space-traveled farther than any human being in history. Kidd's also a surfing expert, a gourmet cook, and a badminton champ. To call Kidd Summers a superwoman is the understatement of the century! She's super-duper!". The only reason Brock knows all of this is because he's her [[StalkerWithACrush "biggest fan"]].
* ActionGirl: Kidd again.
* AppliedPhlebotinum: The Time Flowers.
* ArcWords[=/=]FlashbackToCatchphrase[=/=]MeaningfulEcho: "The Aura is with me."
* AuraVision: Taught to Lucario by Sir Aaron.
* {{Badass}}: Lucario.
* BeastOfBattle: As one might expect, the flashbacks to the war Lucario and Sir Aaron were in show humans and Pokémon fighting side-by-side.
* BittersweetEnding: [[spoiler: Lucario sacrifices itself to save the Tree but is shown to be reunited with Sir Aaron in the afterlife and is recognized as a hero in the kingdom.]]
* [[BrokenBird Broken Pokémon]]: Lucario.
* BreakoutCharacter: Lucario. He is the only non-Legendary Pokemon other than Pikachu and Zoroark to have a feature-length film. After the film's success... well, just look at ''SuperSmashBrothers''.
* BrokenPedestal: Lucario's present opinion of Sir Aaron. He learns the truth later.
* CallBack: To the first movie. They are the first two of three movies set in the Kanto region WhereItAllBegan, both contain a Mew as one of the main characters, and both involved [[spoiler:Ash dying]].
* {{Chronoscope}}: The Time Flower
* ConspicuousCG: During the ballroom scene, any dancers not in the immediate foreground are ''very'' obviously CG (to the point of being early Playstation 2 game-level graphics).
* ContinuityNod: The ending credits shows Kidd visiting Forina, the setting of ''Jirachi Wishmaker'', and meeting with Butler and Diane.
** Also two in the Diamond and Pearl seasons of the anime: Ash's Aura abilities come up in the Riolu special, and he is able to recognize Aura Spheres on sight.
** Listen closely to the song played by the Lapras music box that Mew is playing for Meowth and Pikachu. Recognize that tune? It's Jigglypuff's song.
* ChekhovsGun: The Time Flowers again.
* DisneyDeath: The human cast end up [[spoiler:being "eaten" by the Tree's self defense mechanisms. When Mew sees how sad this makes the Pokémon, it reverses the process, bringing everyone back.]]
** [[spoiler:Lucario, on the other hand...]]
* EarlyBirdCameo: A standard for Pokémon movies, Lucario, Bonsly, Mime Jr., and Weavile all appear in this movie, quite some time before the first Generation IV games would introduce them properly.
* {{Expy}}: Riley in Diamond/Pearl/Platinum appears to be an expy of Sir Aaron, complete with Lucario and the ability to use Aura. Either that or Sir Aaron was based off early concept arts of Riley.
** This in turn has led several fans to believe that Riley is a direct descendant of Sir Aaron, further helped by Riley wearing a necklace in the shape of the pattern on Sir Aaron's gloves.
* FailedASpotCheck
-->'''James''': ''Meowth? Never to be seen again?''
-->'''Jessie''': ''We're the ones who are supposed to be doing all the stealing.''
-->'''James''': ''Did you miss the "never to be seen" part?''
* FamedInStory: Sir Aaron is celebrated as a hero in the present day, though Lucario views him quite differently, due to the fact that the last time he sees Sir Aaron is him apparently abandoning the kingdom in its hour of need.
* FanService: "May in Bikini" scenes.
* FinalSpeech: Lucario is able to hear Sir Aaron's final words through the Time Flower, culminating in Aaron [[CrowningMomentOfHeartwarming calling Lucario his friend as he dies and hoping they can meet again someday]].
* FishOutOfTemporalWater: Lucario, though no actual time travel is involved.
* TheForce: Aura is generally an equivalent to this concept, with it existing in all things animate or inanimate, being rarely usable in humans, and Lucario being the only Pokémon capable of sensing and using it.
** A little bonus can be found in that Sir Aaron, one of those humans who could use Aura, was a knight while he was alive.
* FourIsDeath: The four Time Flowers the gang finds. [[spoiler:The first shows Ash falling down the mountain after grabbing it, the second shows a vision of the stampeding armies and Lucario being sealed in the staff, the third shows Sir Aaron giving Mew his Aura, and the fourth delivers Sir Aaron's final words.]]
* AFriendInNeed: This, along with ThePowerOfFriendship, are the driving forces of the movie.
* GettingCrapPastTheRadar: The pompoms on Jessie's festival outfit have implications.
** Brock and that handbook of his.
* AHandfulForAnEye: Averted, in that while Lucario does end up with dirt in his eyes, he can still use his AuraVision to see and fight.
* HeroicSacrifice: [[spoiler:Both Sir Aaron and Lucario give their lives to stop a war/save Mew's life, respectively. Ironically, Mew sacrificed its own life to save everyone else.]]
* HeroAntagonist: Arguably the Regis, protectors of the Tree of Beginning, who only persecuted Ash and company after they "invaded".
* HotSpringsEpisode: Well, without the antics, anyway.
* [[IdenticalGrandson Identical Granddaughter]]: Apparent with Lady Ilene, to the point where Lucario mistakes her for her ancestor Lady Rin.
* [[ImplacableMan Implacable Mons]]: The Regis. They're virtually unfazed by the many attacks thrown at them and continue to pursue the heroes until Mew saves all the trainers from the Tree of Beginning. Especially impressive is the fact that they do this despite Lucario attacking them with [[ElementalRockPaperScissors Aura Sphere]][[note]]which is super-effective on them, and should have totally [=WTFpwned=] Regice in particular due to its low Defense; Aura Sphere would have been physical in the 3rd gen if it had existed back then[[/note]] every time they show up.
* IntellectualAnimal: Lucario, like some of his other movie Pokémon companions, can communicate with humans via telepathy.
* KamehameHadoken: Lucario's Aura Sphere, of course.
* KilledOffForReal: Sir Aaron in the flashbacks [[spoiler:and Lucario at the end.]]
* LateToThePunchline: during the festival, [[LovableSexManiac Brock]] is wearing a ''[[CelibateHero pastor's]] outfit''.
* [[SeanConneryIsAboutToShootYou Lucario Is About To Fire An Aura Sphere At You]]
** [[http://pkmn.net/news/pics/0707/26_mew.jpg Ash and Sir Aaron Are About To Set Lucario On You]]
* MissingTrailerScene: One of the trailers involved scenes such as Kid apparently attempting to drive her jeep through the hot springs, Lucario going into some kind of alternate dimension, and a scene in a rocky area with Ash and Lucario. Ash is kneeling with a scared look on his face while reaching towards Lucario, who is lying on the ground, apparently dead from unknown causes.
* MistakenIdentity: When Lucario is first set free, he initially believes Ash is Sir Aaron because their Aura is the same. Not knowing this at the time, Ash believed the mistake was due to wearing an outfit similar to Aaron's.
* NeverSayDie: Played straight with a human and then immediately averted with the 'tree' and Pokémon.
--> '''Kidd Summers:''' You'll end up destroying yourself!
--> '''Ash:''' If I don't do this, the Tree will die, and so will the Pokémon who live here!
* NoAntagonist: Team Rocket doesn't really do much this time around, and the entire rest of the plot is set in motion by well-meaning characters who are just [[PoorCommunicationKills spectacularly poor at communicating]].
* NoPronunciationGuide: It's Bon-sly, not Bon-slee. PokémonUSA were reached for comment after the movie was premiered at a convention and confirmed that 4Kids were doing it wrong.
** Also, Regice's name makes it look like it should be pronounced Reg-ice, not Reg-i-ice. Although it is pronounced Reg-i-ice in the Japanese version and in most later appearances of the character.
* PosthumousCharacter: Sir Aaron
* PoorCommunicationKills: They could have called this ''Poor Communication Kills: the Movie''. [[spoiler:The whole ordeal is set into motion by Kidd and co., none of whom had any ill intent and all of whom know when to leave major natural phenomena alone as soon as they know they should, but just came off as a bit too aggressive at first. Note that Mew, being psychic, probably would have been able to sense this had it not been busy getting walloped by a pair of overenthusiastic Weavile. Mew, who keep in mind is a kleptomaniac, runs off with Pikachu and Meowth in a panic -- and neglects to bring them back or let anyone know they're okay at all. Ash, who at this point has every right to fear the worst, stages a rescue attempt that triggers a DiabolusExMachina that eats most of the cast. Said Diabolus's reversal nearly kills ''everyone'', and ''does'' cause one of the only real deaths in the series -- someone who was ''totally innocent'' of the fiasco.]]
** Additionally, [[spoiler:when Sir Aaron sealed away Lucario, he failed to properly explain why he did so, leading Lucario to believe that he'd betrayed the kingdom and causing Lucario to distrust humans until he eventually finds out about Aaron's HeroicSacrifice. This however was intentional, as he didn't want Lucario to come and experience the same fate as he did.]]
* ThePromise: When Ash tries to console Lucario after it believes it was abandoned and asks if he can help, it only wants him to do one thing: Promise he will ''never'' abandon Pikachu. Ash swears he will not.
* RescueArc: Although, ironically, Pikachu wasn't in any real danger ''until'' the cavalry arrived and set off traps.
* RetGone: Inverted. A painting displayed in the palace shows Sir Aaron alone. During the end credits, when the heroes return to the palace, they find that the painting now shows Lucario standing next to Sir Aaron.
* SamusIsAGirl: Kidd, in knight costume. In-universe as well, seeing how Ash and company reacted when she took her helmet off.
* SealedBadassInACan: Sir Aaron seals Lucario into his staff and leaves him there. Flash-forward to the present, and Ash's aura allows him to be released.
* SeekerWhiteBloodCells: The orange blobs within the tree are described as its equivalent to white blood cells. They specifically home in on any nearby humans.
* ShoutOut: the fact that the two warring armies are Red and Green is a direct reference to the [[VideoGame/PokemonRedAndBlue original two]] Pokémon games.
* SpyCatsuit: Kidd's outfit.
* {{Synchronization}}: Mew and the tree seen to be linked together in this way, as [[spoiler: disabling the tree's SeekerWhiteBloodCells seems to disable his own immune system, causing him to become sick almost instantly which in turn causes the tree to start dying.]]
* TagalongKid: the wild Bonsly, which had no relevance to the plot whatsoever.
** ChekhovsGunman: In the end credits, Bonsly is shown playing with Mew, implying that Mew has a new friend that it can play with without, you know, ''kidnapping'' one.
* TastesLikeFriendship: Max earns Lucario's trust by offering him some chocolate. [[spoiler:He is seen at the end of the movie sharing some with Sir Aaron.]] And thus Chocolate [[MemeticMutation became]] Lucario's TrademarkFavoriteFood. At least in the fandom.
* TeenGenius: Kidd
* TeenSuperspy: Kidd
* TogetherInDeath: A platonic example.
* TookALevelInBadass: [[spoiler: Ash is at his best in this movie, considering that he almost made a conscious HeroicSacrifice to save all the Pokémon living under the Tree of Beginning - only to be stopped by Lucario.]]
* TookALevelInJerkass: Mew is considerably more uncaring and self-centered here then in ''The First Movie''.
* WhatTheHellHero: May gives one to Ash after [[spoiler:his fight with Lucario.]]
* WhenTreesAttack: Oh dear ''God''.
* WorldTree: The Tree of Beginning.
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