Life on Mars - Season 2 - Episode 1
Tyler has visions of someone disrupting his life support system in 2006, and encounters who he thinks is the same assailant in 1973, running a gambling syndicate and protection racket. Recognising the man as a killer he failed to stop in the future, Tyler is prepared to go to any lengths to make sure his life is not threatened and the man doesn't kill his original victim.
About Life on Mars

Title: Life on Mars
First Air Date: 2006-01-09
Last Air Date: 2007-04-10
Status: Ended
Rating: 7.761/10 (from 282 votes)
Language: EN
Seasons: 3
Total Episodes: 16
Network: BBC One
Genres: Crime, Drama, Mystery, Sci-Fi & Fantasy
Production Companies: BBC, Red Planet Pictures
Synopsis
A detective chief inspector from 2006 is investigating a serial killer when he is knocked over by a speeding car. Waking up, he finds himself mysteriously transported back in time to 1973. Initially struggling to come to terms with his situation, he has to come to terms with the old-fashioned technology and attitude of the day, while figuring out how he came to be trapped in the past.
Cast

John Simm
Sam Tyler

Philip Glenister
Gene Hunt

Liz White
Annie Cartwright

Dean Andrews
Ray Carling

Marshall Lancaster
Chris Skelton

Noreen Kershaw
Phyllis Dobbs