Episode Five, Scene 4: 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 98c08cd4-6101-4d66-a5e3-e27680409da7 (CC0).