Jump into the TARDIS with us, and we’ll put you through a series of tests to determine which companion’s style is the most like yours, complete with enemy fights, fantastic catchphrases, and of course, lots of running. Come on! It’s time to explore the universe.

Travelling with the Doctor has its risks. Here, we remember the Doctor Who companions who didn't survive their TARDIS travels...

Picture of Catherine Tate

What if this Jenny regenerates and becomes the Jenny we now know... they're both badasses:)

Whether your first Doctor was Hartnell, Eccleston, or someone else entirely, you've no doubt got a favorite companion. We've compiled the top 15.

Jean Marsh as Sara Kingdom