Teenage Mutant Ninja Turtles (2003) (2003)

S1E4 Meet Casey Jones

Feeling trapped underground with only his brothers and Master Splinter for company, Raphael’s frustration is reaching a boiling point. During a playful spar with Michelangelo, he nearly loses control, highlighting his need for an escape to blow off some steam. When he crosses paths with Casey Jones, a vigilante whose methods are a bit unconventional, Raphael is forced to confront his own impulsive tendencies and the consequences that come with them...