Ep. 52: Ash and Sanpei face a Ninja Trainer while Froakie faces unexpected trouble during the confrontation.

52

Ash and his companions reunite with Sanpei and his Greninja, who seeks assistance in confronting a rival Ninja Trainer. The group agrees to support Sanpei in this battle. However, the encounter takes an unforeseen turn when Ash's Froakie becomes involved in the conflict, leading to a significant incident that affects the young Pokémon. The episode focuses on the alliance formed to handle the challenge posed by the other trainer, highlighting the dynamics between the human characters and their Pokémon partners as they navigate the difficulties of the Ninja Arts showdown.