Superman & Lois: Head On
The CW airs the 35th episode of Superman & Lois, starring Tyler Hoechlin, Elizabeth Tulloch, Michael Bishop, and Alex Garfin.
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Superman & Lois now streaming on HBO Max
Tron: Identity soundtrack
Disney Music digitally releases an album of selections from Dan le Sac‘s soundtrack to the computer game Tron: Identity.
Batwoman: Time Off For Good Behavior
The CW airs the 30th episode of Batwoman starring Javicia Leslie, Rachel Skarsten, and Meagan Tandy.
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Batwoman now streaming on HBO Max
Star Trek: Discovery: Such Sweet Sorrow Part 1
Streaming service CBS All Access releases the 28th episode of Star Trek: Discovery, part one of the second season’s two-part finale. Tig Notaro, Rebecca Romjin (X-Men, The Librarians), Michelle Yeoh, James Frain, and Ethan Peck (10 Things I Hate About You) guest star.
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Star Trek: Discovery now streaming on Paramount Plus
The Orville: Sanctuary
Fox airs the 24th episode of the science fiction drama-comedy The Orville, starring and created by Seth McFarlane. Victor Garber (Alias, Legends Of Tomorrow), Ted Danson (Cheers), Tony Todd (Candyman, Star Trek: The Next Generation), F. Murray Abraham (Amadeus) and Marina Sirtis (Star Trek: The Next Generation) guest star.
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The Orville now streaming on Amazon Prime
Beresheet attempts to land on the moon
The Israeli-built Beresheet uncrewed experimental lunar lander, during its attempt to land on the moon, loses engine power during descent and plummets toward the lunar surface. Though the main engine is believed to have restarted during that descent, the vehicle is too low to make a survivable landing and crashes on the moon. The Google Lunar X Prize committee awards $1,000,000 to SpaceIL, the Israeli space exploration organization founded specifically to launch the Beresheet mission, and the mission’s backers vow to use the prize to build a second Beresheet lander to attempt to complete the original vehicle’s mission.
The Expanse: Fight Or Flight
The 24th episode of the science fiction series The Expanse, based on the series of novels by James S.A. Corey (a pseudonym for writers Ty Franck and Daniel Abraham), is broadcast on cable channel Syfy, opening the series’ third season.
K-9: Fear Itself
UK cable channel Disney XD airs the sixth episode of K-9. The Australian-made series features no Doctor Who-related characters other than K-9.
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K-9 now streaming on Amazon Prime
K-9: Liberation
Australia’s Nine Network airs the second episode of K-9, which is the second half of the two-part series opener (and has not been shown in the UK).
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K-9 now streaming on Amazon Prime
Doctor Who: Planet Of The Dead
The 755th episode of Doctor Who (the 57th since the series’ revival) airs on BBC1. Michelle Ryan (The Bionic Woman) and Lee Evans guest star.
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Red Dwarf: Back To Earth, Part 2
The 54th episode of the science fiction comedy Red Dwarf airs on BBC 2. This is the second part of a three-part story commissioned by UK comedy channel Dave, and proves to be popular enough to merit an order for a full season of six episodes. The story receives sharp criticism for completely breaking down the “fourth wall”.
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Red Dwarf now streaming on Britbox
Battlestar Galactica: Six Of One
Sci-Fi Channel airs the 55th episode of Ronald D. Moore’s re-imagining of Battlestar Galactica. Rick Worthy and Dean Stockwell guest star.
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Battlestar Galactica now streaming on Amazon Prime
Venus Express arrives
The European Space Agency’s Venus Express space probe – the first unmanned spacecraft to closely examine the second planet from the sun since the late 1970s – arrives at the planet to undertake a detailed study of the atmosphere, the unusually symmetrical cloud patterns of the planet’s north and south hemispheres, as well as observing the massive, hurricane-like vortices which remain over the poles. Venus Express also looks for the source of traces of sulphur dioxide in the Venusian atmosphere, which could be a sign that of active volcanoes on the surface.
Voyager: Q2
UPN airs the 164th episode of Star Trek: Voyager. John de Lancie guest stars.
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Star Trek: Voyager now streaming on Paramount Plus
Special Unit 2: The Brothers
UPN premieres the first episode of the supernatural crime comedy series Special Unit 2, starring Michael Landes (Lois & Clark: The New Adventures Of Superman) and Alexondra Lee (Party Of Five).
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The Strangerers: The Getawaying
The ninth and final episode of the science fiction comedy series The Strangerers is broadcast on Sky One, created and written by Rob Grant (Red Dwarf), starring Mark Williams and Jack Docherty. Paul Darrow (Blake’s 7) guest stars.
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The X-Files: Trevor
The 134th episode of Chris Carter’s modern-day science fiction series The X-Files airs on Fox, starring Gillian Anderson and David Duchovny. John Diehl (Miami Vice) guest stars.
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Sliders: The Other Slide Of Darkness
Fox airs the 43rd episode of Tracy Torme’s alternate-universe science fiction series Sliders, starring Jerry O’Connell, Sabrina Lloyd, Cleavant Derricks, and Kari Wuhrer. Neil Dickson (She-Wolf Of London) guest stars.
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Sliders now streaming on Amazon Prime
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Babylon 5 soundtrack
Christopher Franke’s soundtrack from the first two seasons of Babylon 5 is released on Sonic Images Records; this is the first in a lengthy series of compilation and individual soundtracks from the popular science fiction series.
RoboCop: What Money Can’t Buy
The fifth episode of RoboCop: The Series airs in syndication, starring Richard Eden, Yvette Nipar, Blu Mankuma, and Andrea Roth.
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RoboCop: The Series now streaming on Amazon Prime
The Worlds Of Doctor Who
Silva Screen releases the compilation album The Worlds Of Doctor Who, featuring soundtrack selections from the 1970s and 1980s, as well as a new rendition of the show’s main theme with Sylvester McCoy himself playing spoons (!).
Star Trek: TNG: Arsenal Of Freedom
The week-long national syndication window opens for the 20th episode of Star Trek: The Next Generation. This is the second of three occasions in the series in which the Enterprise’s saucer section is separated from the rest of the ship.
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Star Trek: The Next Generation now streaming on Paramount Plus
Twilight Zone: Episode 24
CBS airs the 24th episode of a revival of Rod Serling’s The Twilight Zone. Victor Garber (Alias, Legends Of Tomorrow) and Jenny Agutter (Logan’s Run) star in an episode comprised of two short stories, A Day In Beaumont (written by David Gerrold) and The Last Defender Of Camelot, adapted by George R.R. Martin from Roger Zelazny’s short story. This episode closes the first season.
This series is not yet fully chronicled in the LogBook. You could help change that.
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The Twilight Zone now streaming on Paramount Plus
Viking 2 signing off
Two years after the shutdown of its orbiter leaves it sending observations of the Martian environment back to Earth at a low bit rate, the Viking 2 lander’s batteries are depleted and the second spacecraft to land on Mars shuts down permanently. Its three-and-a-half-year operational lifespan has been a bonus round for a robotic vehicle expected to function for a few months in Mars’ harsh weather.
Apple I
The Apple I computer is available for sale, for the price of $666.66, a price set as a practical joke by Apple Computer cofounder Steve Wozniak, who is also the designer of the system’s architecture. The computer is sold as a circuit board, requiring end users to construct their own enclosure to protect it (the elaborate wood casing shown here was neither typical nor standard-issue). Wozniak’s ambitions for an expandable system are built into the Apple I, including add-on memory cards that can expand its native 4K of memory to as much as 48K, with an interface for an optional cassette data storage system. Nearly 200 units are built and sold, but Apple will recall them, offering users an opportunity to upgrade to the Apple II upon that system’s introduction the following year.
Search: The Packagers
NBC airs the 23rd episode of Leslie Steven’s “spy-fi” series Search, starring Doug McClure and Burgess Meredith. Michael Pataki guest stars in the final episode of the series.
Apollo 13
The third planned lunar landing mission, Apollo 13, lifts off. Astronauts Jim Lovell and Fred Haise are scheduled to walk in the Fra Mauro region of the moon. Command module pilot Ken Mattingly falls victim to a medical condition, leaving NASA to make a rare substitution, rotating the backup crew’s command module pilot, Jack Swigert, to the prime crew prior to launch.
This mission is dramatized in both the We Interrupt This Mission episode of HBO’s 1998 series From The Earth To The Moon, as well as the 1995 movie Apollo 13.
Hear about it on the Sci-Fi 5 podcast
Doctor Who: Ambassadors Of Death, Part 4
The 268th episode of Doctor Who airs on the BBC. John Abineri and Ronald Allen guest star.
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The Invaders: Panic
The 14th episode of Larry Cohen’s science fiction series The Invaders, starring Roy Thinnes and produced by Quinn Martin’s QM Productions, premieres on ABC. Robert Walker Jr. (Star Trek) guest stars.
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Palm Sunday Tornado Outbreak
On the 45th anniversary of a similar severe weather event, a major outbreak of violent tornadoes strikes the northern midwest, causing 271 deaths and over a thousand injuries in Wisconsin, Illinois, Indiana, Iowa, Ohio, and Michigan; 137 of the deaths occur in Indiana alone. With weather radar still in its infant state, a radio station in Cedar Rapids spots the first storm on its own radar, while nearby National Weather Service offices do not have radar yet. The U.S. Weather Bureau’s confusing system of “tornado forecasts” and “tornado alerts” is changed to more clearly delineated “watches” and “warnings” after this event.