Here's the fourth of our Star Trek teaser trailers - the film opens worlwide on 8th May and advance reviews are all very positive for this 'reboot' of the franchise...

This clip introduces the villainous time-travelling Romulan Nero (played by Eric Bana), out to destroy the Federation in a quest for vengeance.

Star Trek is released worldwide on 7th May and stars John Cho, Ben Cross, Bruce Greenwood, Simon Pegg, Chris Pine, Zachary Quinto, Winona Ryder, Zoë Saldana, Karl Urban, Anton Yelchin, with Eric Bana and Leonard Nimoy

• Official web site: www.startrekmovie.com