1974 (production)

Unknown Dates

 * Jon Pertwee and Elisabeth Sladen recorded a special ten-minute mini-adventure featuring the Third Doctor, Sarah Jane Smith and the Daleks for the BBC Radio programme Glorious Goodwood. This appears to be the earliest known original Doctor Who audio story. It was never broadcast, but was eventually included on one of the Doctor Who at the BBC CD releases in 2005.
 * Doctor Who received one of its first pieces of major critical recognition when it received the 1974 Writers' Guild Award for Best British Children's Original Drama Script. This fact was trumpeted on the covers of Target novelisations published afterwards.

January

 * 14-18 January - Pre-filming for The Monster of Peladon took place at Stage 3A of Ealing Studios. (REF: Doctor Who The Handbook: The Third Doctor)
 * 28-29 January - Studio filming for The Monster of Peladon took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)

February

 * 5 February - Tom Baker wrote to Head of Serials Bill Slater looking for work — Slater had previously directed Baker in a called . The letter arrived just when Slater was looking for a person to recommend to Barry Letts and Terrance Dicks, who were effectively in charge of the casting, to play the Fourth Doctor. Conveniently, Baker was then appearing in, which was playing in a cinema proximate to BBC Television Centre. Slater recommended that Letts and Dicks go there to see if they thought, like him, that Baker would make an ideal Doctor. Liking what they saw, they cast Baker as the Fourth Doctor shortly thereafter.
 * 11-12 and 26-27 February - Studio filming for The Monster of Peladon took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)

March

 * 11-15 March - Location filming for Planet of the Spiders took place. (REF: Doctor Who The Handbook: The Third Doctor)

April

 * 2-3 April - Studio filming for Planet of the Spiders took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Third Doctor)
 * 16-17 April - Studio filming for Planet of the Spiders took place at BBC Television Centre studio 8. (REF: Doctor Who The Handbook: The Third Doctor)
 * 28-30 April - Location filming for Robot took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 30 April - Studio filming for Planet of the Spiders took place at BBC Television Centre studio 6. (REF: Doctor Who The Handbook: The Third Doctor)

May

 * 1 May - Location filming for Robot took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 1 May - The final studio recording session for Planet of the Spiders and for Jon Pertwee was held at BBC Television Centre studio 6. Tom Baker, already in the midst of production of his first story, attended and filmed a regeneration sequence. (REF: Doctor Who The Handbook: The Third Doctor)
 * 21 May - Studio filming for Robot took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)

June

 * 2 and 6-7 June - Studio filming for Robot took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)

September

 * 26-30 September - Location filming for The Sontaran Experiment took place. (REF: Doctor Who The Handbook: The Fourth Doctor)

October

 * 1 October - Location filming for The Sontaran Experiment took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 28-29 October - Studio filming for The Ark in Space took place at BBC Television Centre studio 3. (REF: Doctor Who The Handbook: The Fourth Doctor)

November

 * 11-12 November - Studio filming for The Ark in Space took place at BBC Television Centre studio 1. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 20 November - Location filming for Revenge of the Cybermen took place at Wookey Hole Caves. (REF: Doctor Who The Handbook: The Fourth Doctor)

December

 * 2-3 December - Studio filming for Revenge of the Cybermen took place. (REF: Doctor Who The Handbook: The Fourth Doctor)
 * 16-17 December - Studio filming for Revenge of the Cybermen took place at BBC Television Centre 3. (REF: Doctor Who The Handbook: The Fourth Doctor)