This was a four-part serial, first broadcast between 2nd April - 23rd April 1966. The serial was written by Bryan Hayles and Donald Tosh, produced by Innes Lloyd and directed by Bill Sellars. The script editor was Gerry Davis.
What I've seen:
Part four. The other three episodes are missing.
The Doctor, Dodo and Steven find themselves in the realm of the Toymaker, an omnipotent being who plays games in order to relieve his boredom. To regain their freedom, the Tardis crew must play against the Toymaker and win - though winning may not be enough to save their lives.
The good bits:
The not so good bits:
Seen in isolation, the one surviving episode of 'The celestial toymaker' is disappointing. Listening to the audio versions of the first three episodes first, might improve the experience.