The 81st episode of Doctor Who airs on the BBC. This is part four of the story now collectively known as The Time Meddler. This is the first time we meet another one of the Doctor’s people, with his own TARDIS, and the last Doctor Who story to be produced by the series’ original producer, Verity Lambert. This episode concludes Doctor Who’s second season.
This timeline entry leads to an entry covering this entire Doctor Who serial; there are plans to write new episodic entries in the future. You can support this effort!
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London Weekend Television airs the third episode of the alternate-future-history series The Guardians, starring Gwyneth Powell and Cyril Luckham.
ITV airs 
BBC1 airs the 34th episode of Doomwatch. This episode, guest starring Michael Keating (Blake’s 7), no longer exists in the BBC’s archives.
The “age of Apollo” comes to an unbreathable end in an incident during the return of the final Apollo spacecraft. Returning from their successful Apollo-Soyuz Test Project flight, astronauts Thomas Stafford, Deke Slayton and Vance Brand are exposed to fumes from their vehicle’s own reaction control thrusters, thanks to the thrusters firing after the capsule’s air vents open during descent toward the Pacific Ocean. Brand reportedly passes out momentarily due to the toxic fumes. All three astronauts are hospitalized for two weeks in Hawaii.
The 
ITV airs the fifth episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
Atari releases the arcade game 
The 24th episode of George Lucas’ historical adventure series The Young Indiana Jones Chronicles airs on ABC, starring Sean Patrick Flanery. Anna Massey and Douglas Henshall (Primeval) guest star; Cyril Cusack appears in his final screen role before his death.
Pay cable channel Showtime premieres the 
Vanguard Records releases the 
The 
Frank Klepacki releases his 
Varese Sarabande releases 
Sci-Fi Channel airs 
Syfy airs the 36th episode of the science fiction series Eureka, starring Colin Ferguson, Salli Richardson, and Joe Morton. Chelah Horsdal (The Man In The High Castle, Star Trek: Discovery) guest stars.
The 
Ten Acre Films publishes 
Streaming service Paramount Plus releases