Its central character is Captain Jack Harkness ( John Barrowman), an immortal con-man from the distant future Jack originally appeared in the 2005 series of Doctor Who. Torchwood follows the exploits of a small team of alien-hunters, who make up the Cardiff-based, fictional Torchwood Institute which deals mainly with incidents involving extraterrestrials. As well as science fiction, the show explores a number of themes, including existentialism, sexuality and human corruptibility.
Torchwood is aimed at adults and older teenagers, in contrast to Doctor Who 's target audience of both adults and children.
The show shifted its broadcast channel each series to reflect its growing audience, moving from BBC Three to BBC Two to BBC One, and acquiring American financing in its fourth series when it became a co-production of BBC One and Starz. A spin-off of the 2005 revival of Doctor Who, it aired from 2006 to 2011. Torchwood is a British science fiction television programme created by Russell T Davies.
