Audiences first met Capaldi's incarnation back in December, when Matt Smith's eleventh Doctor was given a new lease of life by the Time Lords and regenerated.
The episode ended with Capaldi's Doctor asking his companion Clara Oswald if she knew how to fly the Tardis as they are about to crash, although fans were given just the briefest of glimpses of the new Doctor, with a fleeting shot of his eyes and the dogged determination in them to save Gallifrey from destruction.
Fans have been fed titbits over the last several months, with news that Keeley Hawes, Ben Miller, Tom Riley and Frank Skinner will be guest starring in the new series.
Samuel Anderson has also joined the cast as Danny Pink, a recurring character, who teaches at Coal Hill School with Jenna Coleman's Clara.
Sherlock writer Steve Thompson has written an episode, which will star Hawes as Ms Delphox, a character with a dark secret. While comedian Miller will be playing a villain - his comedy partner Alexander Armstrong has previously starred in the long-running science fiction series.
Showrunner Steven Moffat has also said that the Doctor will be heading to Lanzarote - the last time the Time Lord was there was back in 1984.
While there was no exact date for the season's launch, the new trailer is likely to be the first of many in the run up to series 8.
- Independent
