Pokémon: Mega Evolution Act (known as Pocket Monsters XY Special Episode: The Strongest Mega Evolution in Japanese) is a short anime series comprising of four specials which focus on Mega Evolution. It mainly focuses on Alain who wants to know the secret of Mega Evolution. It coincides with the X and Y series. Mega Evolution I aired on April 3 in Japan and on May 31 in USA, Mega Evolution II aired on November 6 in Japan while its American release date is on February 7, Mega Evolution III aired on March 19, 2015 in Japan while its American release date is on August 15, 2015 and Mega Evolution IV aired on October 29, 2015 with its American dub release date on December 26, 2015.
Episodes
| Code | Image | Japanese Title | English Title | Airdates |
| Mega Evolution I |  |
ポケットモンスターXY特別編 最強メガシンカ ～Act Ⅰ（アクトワン）～ |
Pocket Monsters XY Special Episode: The Strongest Mega Evolution ~Act I |  : April 13, 2014 : May 31, 2014
|
| Mega Evolution II |  |
ポケットモンスターXY特別編 最強メガシンカ ～Act ⅠⅠ（アクトツー）～ |
Pocket Monsters XY Special Episode: The Strongest Mega Evolution ~Act II~ | : November 6, 2014: February 7, 2015
|
| Mega Evolution III |  |
ポケットモンスターXY特別編 最強メガシンカ ～Act ⅠⅠⅠ～ |
Pocket Monsters XY Special Episode: The Strongest Mega Evolution ~Act III~ | : March 19, 2015: August 15, 2015
|
| Mega Evolution IV |  |
ポケットモンスターXY特別編 最強メガシンカ ～Act IV～ |
Pocket Monsters XY Special Episode: The Strongest Mega Evolution ~Act IV~ | : October 29, 2015: December 26, 2015
|