The Doctor and Jo arrive on the medieval planet Peladon, where the Doctor is mistaken for the Earth Delegate of the Galactic Federation and Jo is mistaken for a princess.
Quest roles:
Murphy Grumbar(Dalek Operator), Sonny Caldinez(Sskel), David Troughton(Peladon), Henry Gilbert(Torbis), Geoffrey Toone(Hepesh), Stuart Fell(Roga), Alan Bennion(Azaxyr), Terry Bale(Voice of Arcturus (voice)), Nick Hobbs(Wirrn Operator), Ysanne Churchman(Spider (voice)), Gordon Stothard(Grun)