Sneak peek' episodes in December, before series airs on Kix! in January.
The website of the U.K. TV channel Kix! has posted the above trailer, and the following message:
Dragon Ball Z Kai is coming to Kix in January, but we're giving you some exclusive sneak peek episodes from 6pm on Boxing Day all the way till the 28th December. So tune in everyday at 6pm to catch all the action from this epic series of super fighters from across the galaxy.