Survivors - Season 2 - Eps 10: Parasites
Mina befriends a man called John Millen and arranges to meet him at Whitecross at a later date. When John fails to arrive and two other men come to the settlement on his barge (one of them wearing John's hat) Mina fears the worst. Charles and Greg welcome the men, Kane and Grice, but also have misgivings about their intentions. Pet is suspicious too, as she recognises Kane from before 'the death'...
About Survivors

Title: Survivors
First Air Date: 1975-04-16
Last Air Date: 1977-06-08
Status: Ended
Rating: 7.9/10 (from 21 votes)
Language: EN
Seasons: 4
Total Episodes: 38
Network: BBC One
Genres: Drama, Sci-Fi & Fantasy
Production Companies: BBC
Synopsis
Survivors is a British post-apocalyptic fiction television series devised by Terry Nation and produced by Terence Dudley at the BBC from 1975 to 1977. It concerns the plight of a group of people who have survived an accidentally released plague – referred to as "The Death" – that kills nearly the entire human population of the planet.
Cast

Julie Neubert
Wendy

Ian McCulloch
Greg Preston

Lucy Fleming
Jenny Richards

Denis Lill
Charles Vaughan

Stephen Dudley
John Millon

John Abineri
Hubert

Lorna Lewis
Pet

Gordon Salkilld
Jack