Continued from season 3. The Doctor finds his TARDIS colliding with a spaceship based on the RMS Titanic during a Christmas party. With the help of a waitress named Astrid, the Doctor must take on the race called the Hosts as the lives of the Titanic crew and those on Earth are in danger.
Genre: Adventure, Sci-Fi, Family
Actor: Kylie Minogue, Russell Tovey, George Costigan
Director: James Strong
Country: United States