1925

June

 * 11 - The Fifth Doctor, Tegan Jovanka, Nyssa and Adric arrived at Cranleigh Hall in Oxfordshire for an afternoon of cricket. (TV: Black Orchid) The Seventh Doctor's companion Ace arrived shortly afterwards to obtain one of the segments of the Key to Time. Adric briefly flirted with her, though she was unappreciative of his advances. (DWM: Time & Time Again)

Unknown dates

 * Black Orchid by George Cranleigh was published. (TV: Black Orchid)
 * Jack Harkness was active in this year, as shown by photos of him found in the CIA Archive. (TV: The New World)

January

 * 5 - Wolfe Morris (Padmasambhava in TV: The Abominable Snowmen) was born.

February

 * 18 - Russell Hunter, who played Kiy Uvanov in TV: The Robots of Death, was born.
 * 20 - George Waring (Arden in TV: The Ice Warriors) was born.

March

 * 2 - Bernard Price was born.
 * 7 - George A. Cooper, who played Cherub in TV: The Smugglers, was born in Leeds, England.
 * 26 - Barry Letts, Doctor Who producer, director, writer and bit player, was born.
 * 28 - Morris Perry was born.
 * 29 - Frederick Treves (Brotadac in TV: Meglos) was born.

April

 * 9 - Derek Murcott (Crito in TV: The Time Monster) was born.
 * 14 - William Lucas, who played Range in TV: Frontios, was born.

May

 * 14 - Tristram Cary was born.
 * 14 - Ysanne Churchman was born.
 * 14 - Gordon Gostelow (Milo Clancey in TV: The Space Pirates) was born.
 * 15 - Roy Stewart (Toberman in TV: The Tomb of the Cybermen and Tony in TV: Terror of the Autons) was born.

June

 * 9 - Denis Goacher (Control Voice in TV: The Macra Terror) was born.
 * 23 - Mary Ridge (director of TV: Terminus) was born.

July

 * 10 - David Nettheim was born.
 * 17 - Hugh David, who would direct TV: The Highlanders and TV: Fury from the Deep, was born.
 * 19 - Ivor Roberts (Mogran in TV: Genesis of the Daleks) was born.
 * 21 July - Lorne Cossette (Captain Maitland in TV: The Sensorites) was born.
 * 27 - Harry Towb (Osgood in TV: The Seeds of Death and McDermott in TV: Terror of the Autons) was born.

August

 * 11 - Brian Badcoe (Adam in TV: Invasion of the Dinosaurs) was born.
 * 18 - Brian Aldiss, writer of PROSE: Umwelts for Hire, was born.
 * 22 - Ivor Salter (the Morok Commander in TV: The Space Museum, Odysseus in TV: The Myth Makers and Sgt. Markham in TV: Black Orchid) was born.

September

 * 2 - Neil Seiler (a Radio Operator in TV: The Sea Devils and Stewart in TV: Death to the Daleks) was born.
 * 19 - Dallas Cavell was born.
 * 20 - Doctor Who producer John Wiles was born.
 * 22 - Stratford Johns was born.
 * 24 - Gary Downie (an assistant floor manager and production manager for Doctor Who) was born.

November

 * 7 - John Stratton, who played Shockeye in TV: The Two Doctors, was born in Clitheroe, Lancashire, England, UK.
 * 11 - June Whitfield (Minnie Hooper in TV: The End of Time) was born.
 * 18 - News reporter Alex MacIntosh, who played himself in TV: Day of the Daleks, was born.

December

 * 24 - Doctor Who producer Innes Lloyd was born.

Unknown date

 * James Garbutt was born.
 * Neil Hallett was born.
 * Peter Thompson was born.
 * Construction of the eccentric Welsh resort village of Portmeirion began. Best known as the filming location for the 1960s TV series The Prisoner, the village was also used as a filming location for the Doctor Who serial The Masque of Mandragora.