One Piece Episode 989, "The Pact Between Men! The Fierce Fighting of Brachio Tank!", focuses on Chopper and Usopp confronting Big Mom in a comedic chase while Denjiro ambushes Sasaki. Based on manga chapter 982, this Wano Country Arc episode highlights the Straw Hats' courage against a Yonko. Watch a detailed analysis of the episode's production at YouTube .