Daleks are just one of the Doctor's greatest archenemies — and it turns out, they were just as challenging to control for the show's production team, too!
Star Trek: The Next Generation had big shoes to fill following the original Star Trek series. Here is every season of The Next Generation ranked worst to best.
Patrick Troughton played the Doctor for several seasons, but thanks to the BBC's policy of taping over its shows, many of those episodes are lost — for now.
What initially seemed like it could've been a limited series turned out to be a bit more sprawling, tying up some loose ends but leaving others unraveled.
Hugh Grant may not be playing the Doctor on the actual show, but he did play the time-traveling alien in a parody written by none other than Steven Moffat.