1989

July

 * 24 - 26 - The Doctor meets Melanie Bush for the first time. (DW: Business Unusual)

Unknown dates

 * The Doctor and Ace return to Perivale. (NA: Survival)


 * Bobby Prescott and a number of other people try and fail to stop a mob from destroying a library during riots in New York. (NA: Cat's Cradle: Warhead)

January

 * 04 - The Greatest Show in the Galaxy Episode 4 First Broadcast

February

 * 18 - John Bailey, who played the Commander in "The Sensorites," Edward Waterfield in "The Evil of the Daleks," and Sezom in "The Horns of Nimon," dies in London.

April

 * 12 - Gerald Flood, who portrayed King John in "The King's Demons" and provided the voice of Kamelion, dies from a heart attack.


 * 25 - George Coulouris, who played Arbitan in "The Keys of Marinus," dies in London from a heart attack after a long battle with Parkinson's Disease.

September

 * 06 - Battlefield Episode 1 First Broadcast


 * 13 - Battlefield Episode 2 First Broadcast


 * 20 - Battlefield Episode 3 First Broadcast


 * 27 - Battlefield Episode 4 First Broadcast

October

 * 04 - Ghost Light Episode 1 First Broadcast


 * 11 - Ghost Light Episode 2 First Broadcast


 * 18 - Ghost Light Episode 3 First Broadcast


 * 25 - The Curse of Fenric Episode 1 First Broadcast

November

 * 01 - The Curse of Fenric Episode 2 First Broadcast


 * 08 - The Curse of Fenric Episode 3 First Broadcast


 * 15 - The Curse of Fenric Episode 4 First Broadcast


 * 22 - Survival Episode 1 First Broadcast


 * 29 - Survival Episode 2 First Broadcast

December

 * 06 - Survival Episode 3 First Broadcast. This ultimately proves to be the final episode of the original series, and the last weekly episode to be broadcast until 2005. At some point shortly before broadcast, John Nathan Turner is informed of the BBC's decision not to continue the series and has Sylvester McCoy record a series-ending monologue that plays at the end of the episode. Final 25-minute episode produced. Despite this, it is still widely assumed by fans and cast after the episode airs that a new season would air in 1990.


 * 12 - Howard Lang, who portrayed Horg in "An Unearthly Child," dies.