Seasons
Networks:
Watch Providers:
JustWatch makes it easy to find out where you can legally watch your favorite movies & TV shows online. Visit JustWatch for more information.
S1:E6 "The Celestial Toymaker" - episode 4 "The Final Test"
First Aired: April 23, 1966
Trapped in the domain of the Celestial Toymaker, the Doctor is made invisible and forced to play a game of intellect. His companions too must play the Toymaker's games: if they win, they will regain the TARDIS and may go free; but if they loose, they will become his playthings forever ...