The 23rd episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. William Campbell (Star Trek) guest stars in the third season premiere.
The 23rd episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. William Campbell (Star Trek) guest stars in the third season premiere.
CBS airs the first episode of its Saturday morning science fiction series Ark II. Jonathan Harris (Lost In Space) guest stars. 
The 24th episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. Linden Chiles and James Van Pattern guest star.
CBS airs the second episode of Filmation’s live-action Saturday morning science fiction series Ark II.
The 25th episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. Patrick Labyorteaux (Little House On The Prairie, JAG) guest stars.
CBS airs the third episode of Filmation’s live-action Saturday morning science fiction series Ark II.
The 26th episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. Joanna Cameron guest stars as Isis.
CBS airs the fourth episode of Filmation’s live-action Saturday morning science fiction series Ark II. Robby the Robot (Forbidden Planet) guest stars.
The 27th episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. Eric Laneuville (Room 222, St. Elsewhere) guest stars.
CBS airs the fifth episode of Filmation’s live-action Saturday morning science fiction series Ark II. Helen Hunt (Mad About You, Twister) guest stars.
The 28th and final episode of Filmation’s live-action Shazam! series airs on CBS, starring John Davey, Michael Gray and Les Tremayne. Andrew Stevens (Dallas) guest stars in the series finale.
CBS airs the sixth episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the seventh episode of Filmation’s live-action Saturday morning science fiction series Ark II. Jim Backus (Gilligan’s Island) guest stars.
CBS airs the eighth episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the ninth episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the tenth episode of Filmation’s live-action Saturday morning science fiction series Ark II. Jonathan Harris (Lost In Space) guest stars.
CBS airs the 11th episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the 12th episode of Filmation’s live-action Saturday morning science fiction series Ark II. Malachai Throne (Star Trek) guest stars.
CBS airs the 13th episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the 14th episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS airs the 15th and final episode of Filmation’s live-action Saturday morning science fiction series Ark II.
CBS premieres the first episode of a new live-action Saturday morning science fiction series, Space Academy, produced by Filmation (previously responsible for the animated Star Trek series). Depicting a crew of teenagers tasked with maintaining the safety of outer space, Space Academy is in the right place at the right time to capitalize on Star Wars mania.
The superhero TV movie-of-the-week Spider-Man airs on CBS, starring Nicholas Hammond (The Sound Of Music) and David White (Bewitched). Based on the Marvel comic of the same name, Spider-Man tells the origin story of Peter Parker, a young man who gains superpowers after being bitten by a radioactive spider. Heavily promoted at the height of the character’s comics popularity, the movie does well in the ratings, but due to its effects budget, CBS is only willing to approve a short run of hour-long episodes for the following year. 
The 14th episode of Wonder Woman airs on CBS, starring Lynda Carter and Lyle Waggoner. This episode, guest starring Fritz Weaver, opens the show’s second season, and advances the story into the present day (the late 1970s), eliminating the expenses of props, costumes and cars associated with wartime America.
With a writing staff populated heavily with veterans of the quickly-cancelled The Fantastic Journey, CBS launches Logan’s Run as a television series, with the extended-length pilot episode roaring through the events of the 1976 movie in mere minutes! After only a few episodes, however, CBS schedules the lightweight sci-fi series against Monday Night Football, sealing its doom.
The second episode of Filmation’s Saturday morning science fiction series Space Academy airs on CBS. The still-cutting-edge Fairchild Video Entertainment System “guest stars” as the Academy’s computer, beating Peepo at Tic-Tac-Toe.
CBS airs the second episode of the TV adaptation of Logan’s Run. Angela Cartwright guest stars.
The 15th episode of Wonder Woman airs on CBS, starring Lynda Carter and Lyle Waggoner. Mel Ferrer guest stars.
The third episode of Filmation’s Saturday morning science fiction series Space Academy airs on CBS. Something is causing everyone at Space Academy to vanish, occasionally in mid-sentence.
The 16th episode of Wonder Woman airs on CBS, starring Lynda Carter and Lyle Waggoner. Yuki Shimoda and Lew Ayres guest star.