Ash's Froakie evolved into Frogadier in A Stealthy Challenge! during a battle alongside Pikachu and Sanpei's Greninja against Saizo's Barbaracle. Sanpei's Froakie. A Froakie appeared in a photo in The Legend of the Ninja Hero! as the unevolved form of Sanpei's Greninja. Other. Multiple Froakie appeared in a flashback in Cloudy Fate, Bright Future!.