Deaths
- Tito Carpi
- Jacqulin Cole
- January 3 — Carlo Ludovico Bragaglia
- January 13 — Jørgen Blaksted
- February 4 — Douglas Gamley
- February 15 — George White
- February 23 — Philip Abbott
- February 23 — Charles Hayward
- March 10 — Lloyd Bridges
- May 4 — Albert Glasser
- May 22 — Allan Ray
- June 1 — Darwin Joston
- August 18 — Persis Khambatta
- October 3 — Roddy McDowall
- November 22 — Les Podewell
Episode Premieres
- March 14 — The Projected Man (first appearance of Castle Forrester)
- March 21 — The Phantom Planet
- April 4 — The Pumaman (final appearance of Paul Chaplin as Ortega)
- April 18 — Werewolf
- May 9 — The Deadly Bees (final appearance of Michael J. Nelson and Paul Chaplin as Observers)
- June 13 — The Space Children
- June 27 — Hobgoblins
- July 11 — The Touch of Satan
- July 18 — Gorgo
- July 25 — The Final Sacrifice
- August 15 — Devil Fish
- August 29 — The Screaming Skull
- September 26 — Quest of the Delta Knights (Final episode of Season Nine and 1998)
Special Premieres
Home Media releases
- February 17 — "Manos" The Hands of Fate
- February 17 — Gunslinger
- February 17 — Poopie!
- July 21 — Angels Revenge
- July 21 — Shorts, Volume 1