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Lost in Space

Lost in Space is an American science fiction television franchise best known for the 1965–1968 CBS series created by Irwin Allen.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Lost in Space is an American science fiction television franchise best known for the 1965–1968 CBS series created by Irwin Allen. A Netflix reboot of the same name premiered in 2018 and ran for three seasons, both centering on the Robinson family and their struggles after becoming stranded in space.

Original 1965 series

The first Lost in Space was created by Irwin Allen and broadcast on CBS from 1965 to 1968. It became a science-fiction family adventure series centred on the Robinsons and the robot, with Dr. Zachary Smith as a recurring antagonist. The series starred Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Bill Mumy, Angela Cartwright and Jonathan Harris. The first season was filmed in black-and-white, shifting to colour for later seasons. John Williams composed the theme music for the original series.

2018 Netflix reboot

Netflix released a new Lost in Space series in 2018. The reboot reimagines the Robinson family in a more serialised survival story after they crash-land on a habitable alien world. It ran for three seasons from 2018 to 2021.

Premise and setting

Both versions focus on a family of space travellers whose journey goes wrong, leaving them stranded and trying to survive while seeking a way home. The franchise is set in a future space-colonisation context involving Alpha Centauri and interplanetary travel.

Cultural impact

The original series became a notable 1960s science-fiction title and later inspired a 1998 feature film and continued references in popular culture. Its campy tone in later seasons is often noted in retrospectives.

Key facts

  • The original series aired on CBS from 1965 to 1968 and totalled 83 episodes across three seasons.
  • The 1965 series starred Guy Williams, June Lockhart, Mark Goddard, Marta Kristen, Bill Mumy, Angela Cartwright and Jonathan Harris.
  • The 2018 Netflix reboot is a reboot that also follows the Robinsons after a crash landing on an alien planet.
  • John Williams composed the theme music for the original series.
  • Both versions focus on a family of space travellers stranded and trying to survive.
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Canadian context

Lost in Space has been available to Canadian audiences through broadcast, home video and streaming services, including Netflix, and remains part of the broader North American science-fiction television canon.

Frequently asked questions

What is Lost in Space?
Lost in Space is a science-fiction television franchise best known for the 1965 CBS series about the Robinson family and, later, a 2018 Netflix reboot.
Who created Lost in Space?
The original television series was created by Irwin Allen.
When did the original Lost in Space air?
It aired on CBS from 1965 to 1968.
How many seasons did the original series have?
The original series ran for three seasons.
What is the Netflix Lost in Space series?
It is a 2018–2021 reboot that follows the Robinson family after they crash-land on an alien planet.
Is Lost in Space Canadian?
No. The original series was produced in the United States and is generally identified as an American television series.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Lost_in_Space
    Supports: Original series overview, creator, genre, cast, seasons, episode count, production details
  2. Netflixhttps://www.netflix.com/title/80104198
    Supports: 2018 reboot synopsis, three seasons, release window, cast
  3. IMDbhttps://www.imdb.com/title/tt5232792/
    Supports: 2018 series dates, premise, release date
  4. IMDbhttps://www.imdb.com/title/tt0058824/
    Supports: Original series dates, premise, country and language
  5. MeTVhttps://www.metv.com/shows/lost-in-space
    Supports: Original series premise and historical context