The 56th episode of the syndicated science fiction Science Fiction Theatre airs on stations across the U.S. Hosted by Truman Bradley, the episode stars Skip Homeier and Joan Sinclair.
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The fourth episode of the western series Wrangler is broadcast on NBC in the United States, starring Jason Evers as Pitcairn and guest starring Julie Adams (Creature From The Black Lagoon). This episode is written by future Star Trek creator Gene Roddenberry, who also created the series, his first to get past the pilot stage. 
British broadcaster ABC airs the ninth episode of science fiction anthology series Out Of This World. Adapted by Leon Griffiths from a story by Raymond F. Jones, the story stars Bernard Horsfall, and is introduced by Boris Karloff. This episode no longer exists in the archives.
More about Out Of This World and Out Of The Unknown in the LogBook
The ninth episode of the spy-fi series Adam Adamant Lives! airs on BBC1, starring Gerald Harper and Juliet Harmer.
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The eighth episode of the spy-fi series Adam Adamant Lives! airs on BBC1, starring Gerald Harper and Juliet Harmer.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
ITV airs the 19th episode of Ace Of Wands, starring Michael McKenzie, Tony Selby and Judy Loe. This episode, like the rest of the series’ first two seasons, is now missing from the archives.
Sire Records releases the Annie Haslam album Annie In Wonderland, produced by Roy Wood (ELO, Wizzard, The Move). 
The 45th episode of Gerry Anderson’s space adventure series Space: 1999 airs on British broadcaster ITV, starring Martin Landau, Barbara Bain, and Catherine Schell. Kathryn Leigh Scott (Dark Shadows) guest stars.
Mattel Electronics releases the Space Battle cartridge for the Intellivision home video game system. Early in its development cycle, this game was intended to be a licensed tie-in to Battlestar Galactica.
ITV airs the 29th episode of P.J. Hammond’s science fiction series Sapphire & Steel, starring David McCallum and Joanna Lumley.
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The unmanned space probe Voyager 2, almost exactly 12 years after leaving Earth, visits its last planet in the solar system, Neptune. Since mission planners have no further targets for Voyager, they have a free hand in picking its final destinations. An extremely close trajectory over Neptune’s north pole, bringing Voyager 2 within 18,000 miles of the cloudtops of the solar system’s windiest planet, deflects Voyager downward behind Neptune for a close look at its large moon, Triton. Six new moons are discovered, and the “ring arcs” that astronomers have theorized for years turn out to be complete rings made of extremely dark material. After the surprisingly featureless face of Uranus, Neptune proves to be unexpectedly active, with a large dark storm dominating its atmosphere.
Columbia Records Australia releases Tim Finn’s soundtrack from Dein Perry’s live stage production Steel City.
Pay cable channel Showtime airs the 74th episode of Stargate SG-1. Alessandro Juliani (Battlestar Galactica) guest stars.
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Stargate SG-1 now streaming on Amazon Prime
Sci-Fi Channel premieres the 38th episode of Farscape. Wayne Pygram and Paul Goddard guest star.
Sci-Fi Channel airs the 145th episode of The Outer Limits. Dennis Haysbert (24) and Michael Ironside (V, seaQuest 2032) guest star.
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Astronomers using the Hubble Space Telescope discover two new moons of Uranus that eluded detection during Voyager 2’s 1986 flyby: Cupid and Mab. Both small, dark bodies that orbit closer to Uranus than any of the planet’s large satellites, Cupid and Mab raise the number of known Uranian satellites above 20. Mab’s orbit keeps it within the planet’s outermost ring, while Cupid’s orbit is only 500 miles further out than that of Belinda, one of the small moons discovered in 1986 by Voyager 2. Cupid is the tiniest of the inner moons of Uranus, roughly 11 miles in diameter.
Big Finish Productions releases the 72nd Doctor Who audio drama in its main monthly range, starring Paul McGann and India Fisher.
Sci-Fi Channel airs the 47th episode of Stargate Atlantis. Robert Davi guest stars.
Big Finish Productions releases the 98th Doctor Who audio drama in its main monthly range, starring Sylvester McCoy and Maryam D’Abo.
The fourth episode of ABC’s science fiction anthology series Masters Of Science Fiction, drawing on the genre’s literary greats and hosted by Professor Stephen Hawking, is broadcast. John Hurt (Alien, The Elephant Man, Doctor Who) and Brian Dennehy (First Blood, Cocoon) star in an adaptation of a Harlan Ellison short story. Alex Zahara (Jeremiah, Babylon 5: Legend Of The Rangers) and Ellison himself guest star; Jonathan Frakes (Star Trek: First Contact) directs.
This series is not yet chronicled in the LogBook. You could join theLogBook team and write this guide or support the webmaster’s efforts to expand the site.
Big Finish Productions releases the 111st Doctor Who audio drama in its main monthly range, starring Colin Baker and India Fisher. Hayley Atwell guest stars.
Sony Records releases Clinton Shorter‘s soundtrack from the movie District 9.
35 years after its departure from Earth, NASA’s Voyager 1 space probe registers major changes in its environment, including a large spike in radiation readings believed to indicate the presence of interstellar cosmic radiation. Some scientists claim that these changes in Voyager 1’s surroundings meet the expected criteria for space beyond the influence of Earth’s sun, making Voyager 1 the first man-made craft to reach interstellar space; others, including former Voyager project scientists, disagree with that assessment. Voyager 1 has no further planetary stops, and is expected to pass within two light years of the star Gliese 445 in 40,000 years.
American astronaut – and the first human being to walk on the surface of the moon – Neil Armstrong dies at the age of 82. On July 20th, 1969, he took the “giant leap” onto another world that instantly made him perhaps the most famous citizen of the 20th century – moreso than the Beatles, more than Hitler or Churchill, more than any actor. That century will be defined by the exploration of the moon forever, and as many men walked on its surface, Armstrong’s will be the name that is forever associated with that exploration.
Streaming service Amazon Prime Video premieres the second episode of the second live-action adaptation of Ben Edlund’s comic The Tick, starring Peter Serafinowicz, Griffin Newman (Gravity) and Jackie Earle Haley (The Bad News Bears, Preacher), as part of the first season (all dropped on the same day). The new episodes make up only the first half of the first season, the rest of which will be released in 2018.
Streaming service Amazon Prime Video releases the third episode of the second live-action adaptation of Ben Edlund’s comic The Tick, starring Peter Serafinowicz, Griffin Newman (Gravity) and Jackie Earle Haley (The Bad News Bears, Preacher), as part of the first season (all dropped on the same day).
Disney+ streams the second episode of the Marvel animated series What If…?, featuring the voices of Jeffrey Wright (Westworld), Samuel L. Jackson (Captain Marvel), and Michael Douglas (Ant-Man).
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Streaming service Paramount Plus releases the 21st episode of Star Trek: Lower Decks, created by Mike McMahan (Rick & Morty) and starring Tawny Newsome (Space Force), Jack Quaid (The Boys), Noel Wells (Craig Of The Creek), Eugene Cordero (Other Space), Dawnn Lewis (A Different World, Futurama), and Jerry O’Connell (Sliders). James Cromwell (Babe, Star Trek: First Contact) guest stars.
TNT airs the