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. Written by
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Doctor Who Theme
Written by Ron Grainer
Performed by BBC National Orchestra of Wales See more