1975

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