As the Doctor's newest companion, Clara Oswald, steps into the TARDIS, take a look back at previous companions that have won over The Doctor's hearts in Doctor Who: The Companions. Along the way, companions past and present talk about how the show has changed their lives, and how they've never quite managed to leave the TARDIS behind.
Episode 1
Episode 2
Episode 3
Episode 4
Episode 5
Episode 6
Episode 7
Episode 8
Episode 9
Episode 10
Episode 11