“The Steel Sky”, Scene 6: Main Deck

On these albums

Doctor Who: The ArkPaul Erickson and Lesley Scott starring William Hartnell, Jackie Lane & Peter Purves · 2006Soundtrack

Doctor Who: The TV Episodes - Collection SixVarious Artists · 2013

Source: MusicBrainz recording 15abd2a6-c8eb-4e04-b5c7-bb6407c1969d (CC0).