The Yo-Ho-Ho and a Bottle of Rum Affair - S3.E19

Investigating the shipment of a tidal-wave machine by THRUSH, Illya ends up aboard a merchant vessel run by Captain Morton. Morton is obsessed with his past disgrace in a court martial, and the crew is on the verge of a mutiny, which Illya leads just as THRUSH arrives to take possession of the device.