10 free 70s Sci-Fi Television trivia questions with answers — entertainment quiz, new questions added Aug 2026.
The 1970s proved that sci-fi could dominate primetime—from dystopian space stations to time-traveling adventures. Now it's your turn to prove you're not just a casual viewer. Can you ace this deep dive into the decade that changed television forever?
All 10 questions with answers and explanations. Play the quiz
Q 01In which 1978 series did Lorne Greene's Commander Adama lead a 'rag-tag fugitive fleet' towards a planet called Earth?
Battlestar Galactica
ABC cancelled it after one expensive season; the 1980 sequel with the fleet reaching present-day Earth is politely forgotten, and the 2004 reimagining is the one most people now mean.
Q 02Lindsay Wagner's Jaime Sommers headlined which 1970s spin-off?
The Bionic Woman
She was introduced in The Six Million Dollar Man as Steve Austin's fiancee, killed off, then revived by popular demand for her own show, which won Wagner an Emmy.
Q 03In which Saturday-morning series did the Marshall family fall into a world of dinosaurs and Sleestak?
Land of the Lost
Sid and Marty Krofft's show ran from 1974 to 1976 and hired real science-fiction writers, including Star Trek's David Gerrold and Larry Niven, for its scripts.
Q 04Which 1976 CBS children's series followed young scientists and a chimp named Adam across a ruined 25th-century Earth?
Ark II
Filmation's live-action show lasted just 15 episodes; its jet-pack sequences and the sleek vehicle itself ate most of the budget.
Q 05In the TV series 'Logan's Run' (1977-78), citizens of the domed city were terminated at what age?
30
The 1976 film had raised it from 21 in the novel; the CBS series reused the film's Carrousel footage in the pilot and lasted only 14 episodes.
Q 06Which 1973 Thames Television series followed teenagers who 'broke out' as telepathic, teleporting 'Homo superior'?
The Tomorrow People
They 'jaunted' with the help of a computer called TIM and were forbidden to kill; the show ran until 1979 and was revived twice, in 1992 and 2013.
Q 07Which 1973 Saturday-morning cartoon brought back most of the original cast to voice Kirk, Spock and the crew?
Star Trek: The Animated Series
It ran 22 episodes on NBC and won the franchise its first Emmy; Walter Koenig's Chekov was dropped to save money, though he wrote an episode.
Q 08In which BBC series did Jon Pertwee's Time Lord regenerate into Tom Baker's in 1974?
Doctor Who
Baker went on to play the part until 1981, the longest run of any actor in the role, and his scarf and jelly babies became the show's shorthand.
Q 09Which 1970s sci-fi series followed Moonbase Alpha after the Moon was blasted out of Earth's orbit?
Space: 1999
Gerry and Sylvia Anderson's most expensive production starred the married Martin Landau and Barbara Bain; the 311 Alphans' odyssey ran two seasons from 1975.
Q 10Which 1979 series starred Gil Gerard as an astronaut who wakes in 2491 to face Princess Ardala?
Buck Rogers in the 25th Century
It began as a theatrical film that spring, and Erin Gray's Colonel Wilma Deering and the robot Twiki ('bidi-bidi-bidi') became its enduring images.