Inside Look: What is the TARDIS? (Video)

David Tennant and Russell T Davies talk about the magic of the TARDIS in an all-new Doctor Who Inside Look.

For those in the U.S., the adventure continues this December with the U.S. premiere of Doctor Who: The Waters of Mars on BBC America Saturday, December 19th at 9p/8c. One week later, the first of the final David Tennant as the 10th Doctor specials, Doctor Who: The End of Time, Part One premieres Saturday, December 26 at 9p/8c. (Date for Part Two on BBC America to be announced soon).