We Bare Bears (2015)

S4E31 Baby Orphan Ninja Bears

Title: Baby Orphan Ninja Bears Plot: Deep within the New York City sewer system, the Baby Bears stumble upon the legendary ninja master Cheddar (Dante Basco). Cheddar is on a mission to thwart his ex-comrade Slice (Greg Chun) and his chaotic gang, the Boot Crew, who are wreaking havoc in the city. Inspired by Cheddar's skills, the Baby Bears choose to train under him to master the art of ninjutsu, all while facing the challenges posed by a lurking alligator in their underground adventures.