The 106th episode of Irwin Allen’s adventure series Voyage To The Bottom Of The Sea airs on ABC, starring Richard Basehart and David Hedison. Michael Pate guest stars.
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.

The 83rd episode of Irwin Allen’s science fiction series Lost In Space premieres on CBS, starring Guy Williams, June Lockhart, and Jonathan Harris. Marcel Hillaire guest stars in the final episode of the series. Lost In Space will be revived in movie form three decades later, and the series will be reimagined for the 21st century by Netflix.
The
The
The 41st and 42nd episodes of Larry Cohen’s science fiction series The Invaders, starring Roy Thinnes and produced by Quinn Martin’s QM Productions, is broadcast on ABC. Diana Muldaur (Star Trek: The Next Generation), Barry Morse (Space: 1999), Suzanne Pleshette (The Bob Newhart Show), Dana Elcar (MacGyver), and Barry Williams (The Brady Bunch) guest star.
The
The
Soviet cosmonaut Yuri Gagarin, the first human space traveler, dies along with a flight instructor in a MiG jet fighter crash. Considered too valuable a publicity asset to risk in another spaceflight, Gagarin had been barred from any further space missions. Several investigations into the fatal crash are conducted, with none of them reaching any definitive conclusions, though unfavorable flying weather and a sudden dive (possibly also a result of the weather) are commonly cited factors. Gagarin’s ashes are buried in the wall of the Kremlin.
The
The product of a four-year collaboration between visionary SF writer Arthur C. Clarke and director Stanley Kubrick, MGM’s
The Soviet Union launches unmanned space probe Luna 14 toward the moon, where it takes up a lunar orbit and returns scientific data on cosmic rays and gravitational variances. This is the last orbital mission of the Luna series; future Luna vehicles will be landers or landers with rovers, some with sample return capability.
The
The Australian Broadcasting Corporation premieres the first episode of the science fiction series Vega 4, starring John Fassen (a veteran of ABC’s first genre series, The Stranger). This series is a follow-up to the 1966 series The Interpretaris.