S00E50
7.0
Pokémon: Mega Evolution Special IV
7.0(2)October 29, 2015
Alain has returned to Kalos with Lysandre to be tested in a match against ten Mega Evolved Pokémon. Alain loses his Mega Stone and Key Stone if he fails. Meanwhile, Chespin discovers scientists performing experiments on an unknown Pokémon, which leads it to fall victim to a mysterious illness.
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