1975

History of the Doctor Who Universe

 * "The Web of Fear" (Note: This is the dating suggested in the actual story, though it contradicts the dating suggested for other UNIT era stories, and is itself contradicted by "Downtime." See UNIT dating controversy and "No Future" for further explanation.)

January

 * 04 - Robot Episode 2 First Broadcast


 * 11 - Robot Episode 3 First Broadcast


 * 18 - Robot Episode 4 First Broadcast


 * 25 - The Ark in Space Episode 1 First Broadcast

February

 * 01 - The Ark in Space Episode 2 First Broadcast


 * 08 - The Ark in Space Episode 3 First Broadcast


 * 15 - The Ark in Space Episode 4 First Broadcast


 * 22 - The Sontaran Experiment Episode 1 First Broadcast

March

 * 01 - The Sontaran Experiment Episode 2 First Broadcast


 * 08 - Genesis of the Daleks Episode 1 First Broadcast


 * 10 - Yee Jee Tso, who portrayed Chang Lee in the 1996 Doctor Who television movie, is born.


 * 15 - Genesis of the Daleks Episode 2 First Broadcast


 * 22 - Genesis of the Daleks Episode 3 First Broadcast


 * 29 - Genesis of the Daleks Episode 4 First Broadcast

April

 * 05 - Genesis of the Daleks Episode 5 First Broadcast


 * 12 - Genesis of the Daleks Episode 6 First Broadcast


 * 19 - Revenge of the Cybermen Episode 1 First Broadcast


 * 23 - William Hartnell, the first actor to portray the Doctor, dies at Marden, Kent, England.


 * 26 - Revenge of the Cybermen Episode 2 First Broadcast

May

 * 03 - Revenge of the Cybermen Episode 3 First Broadcast


 * 10 - Revenge of the Cybermen Episode 4 First Broadcast

July

 * 15 - Raf De La Torre, who played the Senior Judge in "The Keys of Marinus," dies.

August

 * 23 - Tom Baker presents Disney Time in character as the Fourth Doctor


 * 30 - Terror of the Zygons Episode 1 First Broadcast

September

 * 06 - Terror of the Zygons Episode 2 First Broadcast


 * 13 - Terror of the Zygons Episode 3 First Broadcast


 * 20 - Terror of the Zygons Episode 4 First Broadcast


 * 27 - Planet of Evil Episode 1 First Broadcast

October

 * 04 - Planet of Evil Episode 2 First Broadcast


 * 11 - Planet of Evil Episode 3 First Broadcast


 * 18 - Planet of Evil Episode 4 First Broadcast


 * 25 - Pyramids of Mars Episode 1 First Broadcast

November

 * 01 - Pyramids of Mars Episode 2 First Broadcast


 * 08 - Pyramids of Mars Episode 3 First Broadcast


 * 15 - Pyramids of Mars Episode 4 First Broadcast


 * 22 - The Android Invasion Episode 1 First Broadcast


 * 29 - The Android Invasion Episode 2 First Broadcast

December

 * 06 - The Android Invasion Episode 3 First Broadcast


 * 13 - The Android Invasion Episode 4 First Broadcast