The TARDIS lands in a petrified forest on an alien planet. Determined to explore, the Doctor leads his companions into the metal city, where they discover the danger of what will become his deadliest enemies, the mutant Daleks. (Originally broadcast in seven parts.) Written by
Did You Know?
Fans voted this number 22 in a countdown of the 163 Doctor Who
(1963) stories in Outpost Gallifrey's 40th anniversary poll in 2003. See more
Early in the episode, the studio backcloth moves from the effect of a wind machine. See more
We're not on earth, then?
No. Certainly not.