If you are thinking of animated appearances, Usagi’s most famous "Season 3" debut was in the cartoon.
He first appears in , titled simply " Usagi Yojimbo ," where he is accidentally transported to the Turtles' world via Krang's dimensional portal. [S3E35] Usagi Yojimbo
: It features a deadly ninja duel where the character Chizu faces off against Kagemaru and Kimi. If you are thinking of animated appearances, Usagi’s