S4E31: Baby Orphan Ninja Bears

While navigating the New York City sewers, the Baby Bears encounter ninja master Cheddar (Dante Basco) who must stop the Boot Crew, lead by his former ally Slice (Greg Chun), from causing mayhem in the city. The Baby Bears decide to become his pupils and learn the ways of the ninja while also having to deal with an alligator in the sewers.