Pokémon: Mewtwo Strikes Back—Evolution

When researchers discover and exploit a fossil of the Mythical Pokémon Mew, they unleash a creation that goes against the very laws of nature. The Legendary Pokémon Mewtwo was intended for use as a tool of destruction. But as Mewtwo becomes aware of its own dubious origin, it begins to resent its human creators and seeks revenge… (Source: Netflix)

Pokémon: The First Movie

A team of scientists use the DNA of a rare Pokemon, Mew, to create the world's strongest Pokemon, Mewtwo. Not wanting to be used as an experiment, Mewtwo uses its psychic powers in a violent rage to destroy the scientists who created it. Mewtwo then tries to learn how to focus his powers with the aid of Giovanni, the man who funded the scientists' operations, but discovers that it is being used again. So Mewtwo decides to find its own purpose in life, and carry out its revenge on humans by destroying life on earth by using a deadly storm. Ash Ketchum and a group of other Pokemon Trainers are summoned by Mewtwo to have a battle with it, but they soon discover that they're only being invited so Mewtwo can clone their Pokemon for it's own purposes. Ash then tries to find a way to stop Mewtwo's plot before it can be carried out. (Source: Anime News Network)

Pokémon the Movie 2000

A greedy collector, Lawrence III, wants to capture the legendary Pokémon, Lugia. But in order to do so, he must capture the Titans of Fire, Ice, and Lightning. The titans are powerful bird-like Pokémon, and if they are disturbed they will wage a war against eachother which will ultimately result in earth's destruction. Ash, Misty, and Tracey get caught up in the situation when they end up being washed ashore onto Shamouti Island. Soon after, Ash meets a girl named Melody who sends him into a mission where he must collect the 3 Orbs which will quell the fighting, but first Ash must gain help from the Beast of the Sea, Lugia, if he's to succeed. (Source: Anime News Network)

Pokémon 3: The Movie

Young Molly Hale is a 5-year old girl who has lost her father to the Unown, a strange group of Pokémon who can make a person's dreams real by using their Psychic energy. One day she accidently releases the Unown, and they begin to answer Molly's wishes; first by creating Entei, a legendary lion-like Pokémon who Molly then thinks is her father because he always pretended to be Entei when he played with her. Molly then feels lonely because she has no mother, so Entei decides to kidnap Ash's mother and forces her to become Molly's. Ash, Brock, and Misty must then try to save Ash's mom, Delia, and Molly; And in the process they must also try to find a way to stop the Unown from turning the town of Greenfield into a bizarre crystal wasteland. (Source: Anime News Network)