Ep.4, Opening titles Ep.4, Scene 10: Radiation room Ep.4, Scene 11: Cyberman spacecraft interior Ep.4, Scene 12: Radiation room, Snowcap base Ep.4, Scene 13: Tracking room Ep.4, Scene 14: Radiation room & corridor outside Ep.4, Scene 15: Tracking room Ep.4, Scene 1: Snowcap tracking room Ep.4, Scene 20: Tracking room Ep.4, Scene 20a & 20b: Space command HQ, Geneva, & Snowcap track Ep.4, Scene 21: Cyberman spacecraft interior Ep.4, Scene 22: Inside the TARDIS Ep.4, Scene 22: Vaughn's office Ep.4, Scene 23: War Ministtry office Ep.4, Scene 24: Plane Ops. Room Ep.4, Scene 25: Vaughn's Office, I.E. factory compound Ep.4, Scene 26: Plane Ops. Room Ep.4, Scene 26: Warehouse Ep.4, Scene 2: Cyberman spacecraft interior Ep.4, Scene 3: Snowcap tracking room Ep.4, Scene 3: Vaughn's office, I.E. factory compound Ep.4, Scene 4: International space command HQ, Geneva Ep.4, Scene 4: UNIT Plane Ops. Room Ep.4, Scene 5: Snowcap tracking room Ep.4, Scene 5: Vaughn's office, I.E. factory compound Ep.4, Scene 6: Office Ep.4, Scene 6: Radiation room Ep.4, Scene 7: Office Ep.4, Scene 7: Tracking room Ep.4, Scene 8: Plane Ops. Room Ep.4, Scene 8: Radiation room Ep.4, Scene 9: Tracking room Ep.4, Scenes 1-2: Railway wagon & crate Ep.4, Scenes 11-12: Office Ep.4, Scenes 14-21: Plane Ops. Room Ep.4, Scenes 16-19: Radiation room & corridor outside Ep.4, Scenes 9-10: Vaughn's office Ep.4, Telecine: Canal to rear of I.E. London headquarters Ep.4, Telecine: Exterior I.E. factory building & rooftop Ep.4, Telecine: helicopter Ep.4, Telecine: Helicopter & rooftop Ep.4, Telecine: I.E. factory compound Ep.4, Telecine: Polar exterior Ep.4, Telecine: Roof Ep.4, Telecine: Rooftop complex, I.E. factory building