Waves of Change (Project X Zone)

Waves of Change is a two-part mid-season special of Project X Zone. It is collectively the twelfth and thirteenth episode of the first season.

Characters

 * Freedom Fighters
 * Sonic the Hedgehog - Blue Mer-Hedgehog tail
 * Sally Acorn
 * Miles "Tails" Prower
 * Amy Rose - Pink Mer-Hedgehog tail and red bra
 * Rotor the Walrus - Purple Mer-Walrus tail
 * Tangle the Lemur - Black Mer-Lemur tail and yellow bra
 * Chris Redfield
 * Ryu
 * Razor the Shark - Black Mer-Shark tail
 * Crusher the Chao

Cast

 * Kyle Hebert - Ryu
 * Ashley Johnson - Sally Acorn
 * Kyle McCarley - Rotor the Walrus
 * Cassandra Lee Morris - Tangle the Lemur
 * Cindy Robinson - Amy Rose
 * Roger Craig Smith - Chris Redfield, Sonic the Hedgehog
 * Jason Spisak - Razor the Shark
 * Colleen Villard - Miles "Tails" Prower

Trivia

 * The episodes are a adaptation of Archie Comics' Sonic the Hedgehog issues 260 to 263, which shares the same title. The changes are as follows:
 * Tangle joins Sonic, Amy and Rotor.
 * The aquatic Mobians of Meropis have merpeople physiques with the ability to change to legs on land.