"Torchwood's executive producer Julie Gardner has confirmed rumours that the show will move to BBC1 with a much shorter season.According to the official Torchwood Magazine, the third season of the Doctor Who spinoff will feature one continuous story and last just five episodes, including at least one penned by Russell T. Davies.Gardner told the publication:
"As you know, plans for a third series have been underway for a long time, and we now have a new producer and a new director in place, as well as brand new scripts all ready to go. It's the longest and most ambitious story we have ever made, so be prepared for some shocks and surprises!"She added: "Life at Torchwood is never quiet or easy and the whole of Captain Jack's worldis about to be turned upside down!"The new series will begin filming in August for transmission in early 2009."
Source: Digital Spy