Red Dwarf: Season 10, Episode 4

10 - 4: Entangled

Lister loses Rimmer in a game of poker to a group of Biologically Engineered Life Forms and in return gets an unwanted gift: a groinal exploder programmed to detonate in 24 hours unless Lister pays his debts. Meanwhile Kryten and Cat become quantum entangled and do everything in perfect unison.