The first episode of Land Of The Lost premieres on NBC. The series is produced by Sid & Marty Krofft (H.R. Pufnstuf, Lidsville), and this episode is written by former Star Trek writer David Gerrold, who also had a hand in creating the series.
The first episode of Filmation’s live-action Shazam! series premieres on CBS, starring Jackson Bostwick, Michael Gray and Les Tremayne. Ty Henderson (Space Academy) guest stars.
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The second season of the animated Star Trek series begins on NBC with the episode The Pirates Of Orion, written by Star Trek fan (and future Trek novelist) Howard Weinstein. The episode airs almost exactly eight years after the television premiere of the live-action Star Trek on NBC.
The first episode of the TV spinoff of Planet Of The Apes premieres on CBS. Roddy McDowall is the sole cast carryover from the movies, but plays a different character in the TV series; Star Trek’s Mark Lenard makes the first of many appearances as the human refugees’ ape arch-nemesis.
The 14th episode of The Six Million Dollar Man is broadcast on ABC, starring Lee Majors and Richard Anderson. Carol Lawrence and Sid Haig (Jason Of Star Command) guest star in the second season premiere.
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ABC premieres the first episode of Kolchak: The Night Stalker, based on the 1973 TV movie The Night Stalker and starring Darren McGavin. Beatrice Colen (Wonder Woman) guest stars.
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The second episode of Land Of The Lost premieres on NBC. This episode, written by David Gerrold, introduces the show’s primarily recurring villains, the reptilian Sleestaks.
Astronomer Charles Kowal discovers Leda, a tiny, previously undiscovered moon of Jupiter, using Mount Palomar Observatory’s telescope. With a radius of less than seven miles and an inclined orbit, Leda is the first Jovian moon discovered in over two decades, and is among the last to be discovered using ground-based telescopes in the 20th century.
The second episode of Filmation’s live-action Shazam! series airs on CBS, starring Jackson Bostwick, Michael Gray and Les Tremayne.
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The 15th episode of The Six Million Dollar Man is broadcast on ABC, starring Lee Majors and Richard Anderson. Mike Farrell (The Questor Tapes, M*A*S*H) guest stars.
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The second episode of the TV spinoff of Planet Of The Apes premieres on CBS. Future V star Marc Singer guest stars.
ABC airs the second episode of Kolchak: The Night Stalker, based on the 1973 TV movie The Night Stalker and starring Darren McGavin. Scatman Crothers guest stars.
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NASA’s unmanned space probe Mariner 10 makes its second pass of the planet Mercury, six months after its first flyby. This time Mariner passes under the planet’s south pole, getting the first views of that part of Mercury, but barely flying within 30,000 miles of the surface. Once again, following its encounter with Mercury, Mariner 10 slipped into a solar orbit that would bring it back to Mercury several months later.
The third episode of Land Of The Lost premieres on NBC. This episode introduces the Marshall family’s recurring dinosaur friend Dopey, and is written by Margaret Armen (Star Trek: The Animated Series).
The third episode of the animated Star Trek‘s second season, The Practical Joker, premieres on NBC.
The third episode of Filmation’s live-action Shazam! series airs on CBS, starring Jackson Bostwick, Michael Gray and Les Tremayne. Pamelyn Ferdin (Star Trek, Space Academy) guest stars.
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The 16th episode of The Six Million Dollar Man is broadcast on ABC, starring Lee Majors and Richard Anderson. Pat Hingle (Batman) guest stars.
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ABC airs the third episode of Kolchak: The Night Stalker, based on the 1973 TV movie The Night Stalker and starring Darren McGavin. Dick Van Patten guest stars.
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The fourth episode of Land Of The Lost premieres on NBC. This episode, written by SF novelist Larry Niven, guest stars Walker Edmiston, though not in the role he will play for much of the remainder of the series.
The fourth episode of Filmation’s live-action Shazam! series airs on CBS, starring Jackson Bostwick, Michael Gray and Les Tremayne.
More about Shazam! in the LogBook and theLogBook.com Store
Shazam now streaming on Amazon Prime
The second episode of the animated 
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The fourth episode of the animated