Can you click on all the Doctor Who companions in 20 seconds? Are you quick enough? Share on Facebook Share on Twitter Share on Pinterest Share on Reddit Share on Reddit Email to a friend Advertisement Share on Facebook Share on Twitter Share on Pinterest Share on Reddit Share on Reddit Email to a friend Tags Quiz Sci-fi Doctor Who Doctor Who (classic) Doctor Who (radio) Related news Doctor Who: how fast can you match the Doctor to their first line? Name that Dalek!!! All about Doctor Who News, photos, videos and full episode guide