The Doctor takes the blue crystal and returns to Metebelis 3 where he must face the spider ruler, the Great One. But it is an encounter that triggers his third regeneration. Show more
Discover 11,128,835 listings and 278,106 playable programmes from the BBC
The Doctor takes the blue crystal and returns to Metebelis 3 where he must face the spider ruler, the Great One. But it is an encounter that triggers his third regeneration. Show more