"Quarantine" is the fourth episode of science fictionsitcomRed Dwarf Series V[1] and the twenty eighth in the series run.[2] It was first broadcast on the British television channel BBC2 on 12 March 1992.[3] The episode, fifth to be filmed,[4] was the first one to be solely directed by Rob Grant and Doug Naylor.[5] The episode has Rimmer contracting a holo-virus and turning against the rest of the crew.