Television’s longest-running science fiction series, shot in HD, has just three episodes to go before a new Doctor arrives on screen next year!

The next special, Doctor Who: The Waters of Mars airs on BBC AMERICA, Saturday December 19th at 9pm/8c. All will be revealed as the Doctor and his companion Adelaide face terror on the Red Planet in one of the scariest adventures yet. It stars David Tennant and British stage and screen actress Lindsay Duncan (Rome, Langford) as Adelaide, his cleverest and most strong-minded companion.

Here’s a trailer for North American readers:

An extended inside-look and other bonus content will air immediately after Doctor Who: The Waters of Mars. Immediately preceding the special, BBC AMERICA will be airing Inside The Tardis (8/7c), a catch-up special on the series through the eyes of the Doctor’s companions.

Both parts of The End of Time will air on BBC AMERICA during the holiday season.

(With thanks to Nicole Wetzold)