1977

May

 * 25 - The Sixth Doctor and Frobisher attended the opening of Star Wars in Hollywood. (PDA: Mission: Impractical)

June

 * 01 - Queen Elizabeth II's silver jubilee was celebrated in the United Kingdom. Tegan and Nyssa found themselves at Brendon Public School, where they met retired UNIT Brigadier Alistair Lethbridge-Stewart. In the course of events, the Brigadier met a future version of himself from 1983, causing a paradox and leading to him suffering partial amnesia. (DW: Mawdryn Undead)

July

 * 30 - 31 - Dr Fendelman conducted temporal experiments utilising a Time fissure. (DW: Image of the Fendahl)

Dates unknown

 * Professor Amelia Rumford took a policeman's truncheon with her on a lecture tour to New York City in case she got mugged. Instead she was arrested for carrying an offensive weapon. (DW: The Stones of Blood)
 * The Seventh Doctor arrived briefly in Lewisham as he hunted the Timewyrm. (NA: Timewyrm: Revelation)

January

 * 01 - DW: The Face of Evil Part 1 was first broadcast, returning Doctor Who to the air after a 6-week break. Louise Jameson debuts as new companion, Leela.
 * 08 - DW: The Face of Evil Part 2 was first broadcast.
 * 15 - DW: The Face of Evil Part 3 was first broadcast.
 * 20 - DWN: Doctor Who and the Carnival of Monsters was first published.
 * 22 - DW: The Face of Evil Part 4 was first broadcast.
 * 26 - Tom Baker was interviewed on the BBC Radio 4 program Woman's Hour.
 * 29 - DW: The Robots of Death Part 1 was first broadcast.

February

 * 05 - DW: The Robots of Death Part 2 was first broadcast.
 * 12 - DW: The Robots of Death Part 3 was first broadcast.
 * 17 - DWN: Doctor Who and the Seeds of Doom was first published.
 * 19 - DW: The Robots of Death Part 4 was first broadcast.
 * 26 - DW: The Talons of Weng-Chiang Part 1 was first broadcast.

March

 * 05 - DW: The Talons of Weng-Chiang Part 2 was first broadcast.
 * 12 - DW: The Talons of Weng-Chiang Part 3 was first broadcast.
 * 19 - DW: The Talons of Weng-Chiang Part 4 was first broadcast.
 * 24 - DWN: Doctor Who and the Dalek Invasion of Earth was first published.
 * 26 - DW: The Talons of Weng-Chiang Part 5 was first broadcast.

April

 * 02 - DW: The Talons of Weng-Chiang Part 6 was first broadcast, concluding Season 14.
 * 03 - Broadcast of Whose Doctor Who, the first TV documentary about the programme.
 * 21 - DWN: Doctor Who and the Claws of Axos was first published.
 * To tie in with a certain broadcast, the Blue Peter series issues a Doctor Who Theatre Leaflet which allowed children to create their own theatre with cut-outs of the Fourth Doctor, Leela and two Daleks.

May

 * 10 - DWN: Doctor Who and the Ark in Space was first published. Written by Ian Marter, this was the first time an actor involved with the series had composed a novel based upon it; Marter would write several more novelisations before his death less than a decade later.
 * 25 - The first Star Wars film was released. This movie would revolutionise the presentation of science fiction in movies and television, including Doctor Who. Peter Cushing played Grand Moff Tarkin in the film, and Dave Prowse performs as the body (but not voice) of Darth Vader.
 * Tom Baker and Louise Jameson appeared on Pebble Mill at One on BBC One.

June

 * 23 - DWN: Doctor Who and the Brain of Morbius was first published.

July

 * 22 - Erik Chitty (Charles Preslin in DW: The Massacre of St Bartholomew's Eve and Coordinator Engin in DW: The Deadly Assassin) died.

August

 * 18 - DWN: Doctor Who and the Planet of Evil was first published.

September

 * Doctor Who Annual 1978 was published.
 * Terry Nation's Dalek Annual 1978 was published.
 * 03 - DW: Horror of Fang Rock Part 1 was first broadcast, starting Season 15.
 * 10 - DW: Horror of Fang Rock Part 2 was first broadcast.
 * 17 - DW: Horror of Fang Rock Part 3 was first broadcast.
 * 19 - Michael Godfrey, who played Captain Pike in DW: The Smugglers, died.
 * 24 - DW: Horror of Fang Rock Part 4 was first broadcast.
 * 29 - DWN:Doctor Who and the Mutants was first published.

October

 * 01 - DW: The Invisible Enemy Part 1 was first broadcast. Debut of K9, as voiced by John Leeson.
 * 08 - DW: The Invisible Enemy Part 2 was first broadcast.
 * 10 - Angelo Muscat, who played one of the Chumblies in DW: Galaxy 4, died.
 * 15 - DW: The Invisible Enemy Part 3 was first broadcast.
 * 20 - DWN: Doctor Who and the Deadly Assassin was first published.
 * The Second Doctor Who Monster Book first published
 * 22 - DW: The Invisible Enemy Part 4 was first broadcast. K9 becomes the Doctor's first non-human companion.
 * 29 - DW: Image of the Fendahl Part 1 was first broadcast.

November

 * 05 - DW: Image of the Fendahl Part 2 was first broadcast.
 * 08 - Graham Williams commissions Moris Farhi to write a four-Part script entitled The Divided. It was never produced.
 * 12 - DW: Image of the Fendahl Part 3 was first broadcast.
 * 15 - DWN:Doctor Who and the Talons of Weng-Chiang was first published.
 * 17 - Target Books launches a series of educational books under the banner Doctor Who Discovers. The first three books, published this date, are Doctor Who Discovers: Early Man, Doctor Who Discovers: Prehistoric Animals and Doctor Who Discovers: Space Travel. At this point as many as 24 books are planned for this series (ultimately only two more see print).
 * 19 - DW: Image of the Fendahl Part 4 was first broadcast.
 * 26 - DW: The Sun Makers Part 1 was first broadcast.

December

 * 03 - DW: The Sun Makers Part 2 was first broadcast.
 * 08 - DWN:Doctor Who and the Masque of Mandragora was first published.
 * 10 - DW:The Sun Makers Part 3 was first broadcast.
 * 17 - DW:The Sun Makers Part 4 was first broadcast.
 * 24 - The first two Parts of DW:The Robots of Death are edited together to form a special and rebroadcast by the BBC.
 * 31 - Part 2 of the BBC's edited rebroadcast of DW: The Robots of Death airs.

Unknown dates

 * Writer and designer Clayton Hickman, who has designed numerous Big Finish Productions audio and Doctor Who DVD covers and was a former editor of Doctor Who Magazine, was born in Bristol.
 * Terrance Dicks wrote the script for State of Decay. It wouldn't be published until 1980 due to a major BBC drama about Dracula.