Episode Two, Scene 1: Vaughn's Office, I.E. London Headquarters

On these albums

Doctor Who: The InvasionDerrick Sherwin from an idea by Kit Pedler starring Patrick Troughton, Frazer Hines, Wendy Padbury narrated by Frazer Hines · 2004Soundtrack

Doctor Who: The Lost TV Episodes - Collection FiveVarious Artists · 2012

Source: MusicBrainz recording 8330eb4f-5fda-42cc-a173-11a11a1007c3 (CC0).