1978 (production)

Unknown Dates

 * American publisher Aeonian Press obtained the US publication rights to some of the Target Books releases, issuing them in limited distribution hardcovers. Among the books reissued in this format were Doctor Who and the Day of the Daleks and Doctor Who and the Giant Robot.
 * Tom Baker began moonlighting from Doctor Who to appear in another BBC series, Late Night Story, which featured Baker performing dramatic readings of horror stories.

April

 * 9-11 and 23-25 April - Studio filming for The Ribos Operation took place at BBC Television Centre studio 4. (REF: Doctor Who The Handbook: The Fourth Doctor)

May

 * 1-5 May - Location filming for The Pirate Planet took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 22-23 May - Studio filming for The Pirate Planet took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fourth Doctor)

June

 * 3-5 June - Studio filming for The Pirate Planet took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Fourth Doctor)

October

 * October - Pre-filming for The Armageddon Factor took place at Ealing Studios. (REF: Doctor Who The Handbook: The Fourth Doctor)

November

 * 5-7 and 20-22 November - Studio filming for The Armageddon Factor took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)

December

 * 3-5 December - Studio filming for The Armageddon Factor took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)