Red Dwarf - XI: 1. Twentica

Lister and Cat get trapped while exploring a crashed ship at the bottom of an ocean moon.

After a run-in with a deranged droid, Lister has his kidneys organ-napped.

Rimmer is promoted after some outrageous luck.

The gang step in when Kryten has a mid-life crisis.

Cat falls head over heels in love, but the object of his desire has a secret.