The following is the plot synopsis for Rendition which might be considered a spoiler
As the Torchwood team is reunited, Jack realises he's the most vulnerable man on Earth; and a flight to the USA turns into a desperate battle for survival.
The BBC trailer for the episode is now available online:
Torchwood online Rendition trailer, BBC, via iPlayer - may not play outside of the United Kingdom
A preview clip from the episode is also available to watch:
Torchwood online launch trail, BBC, via YouTube
Alternatively there is a BBC iPlayer version (may not play outside UK)