Doctor Who show, as the story begins anew with each companion and she undergoes more change than the Doctor. The primary companions of the Ninth and Tenth Doctors were Rose Tyler (Billie Piper), Martha Jones (Freema Agyeman), and Donna Noble (Catherine Tate) with Mickey Smith (Noel Clarke) and Jack Harkness (John Barrowman) recurring as secondary companion figures. The Eleventh Doctor became the first to travel with a married couple, Amy Pond (Karen Gillan) and Rory Williams (Arthur Darvill), whilst out-of-sync meetings with River Song (Alex Kingston) and Clara Oswald (Jenna Coleman) provided ongoing story arcs. The tenth series introduced Pearl Mackie as
The Runaway Bride (Doctor Who) the Earth by gradually and secretly poisoning Donna with an alien particle the Racnoss use as an energy source. The Tenth Doctor, still saddened by his separation from companion Rose Tyler, is shocked when Donna Noble, in a wedding dress, appears within the TARDIS while in flight, a near impossibility. She angrily demands to be returned to her wedding as the Doctor performs several tests on her before materialising the TARDIS on Earth, though across the city from the ceremony. Donna leaves in a huff and takes a cab, but the Doctor observes a robotic Santa Claus is driving the