Episode guide
Lost in Space: Season 3
8 episodes · first aired Dec 1, 2021
In an epic final season, the Robinsons' survival instincts kick into hyperdrive as they race to reunite and protect Alpha Centauri from a robot invasion.
- 1 Three Little Birds Dec 1, 2021 · 55m · TMDB 6.4 A year into their mission with the children of the Resolute, Judy, Penny and Will scramble to find the titanium they need to get to Alpha Centauri.
- 2 Contact Dec 1, 2021 · 48m · TMDB 6.8 While Judy sets out to find Grant Kelly, Penny and Will explore a mysterious tunnel. Light years away, Maureen, John and Don hunt for SAR's remains.
- 3 The New Guy Dec 1, 2021 · 50m · TMDB 6.9 Scarecrow helps Maureen and John plot an engine heist. Judy returns to camp with new passengers. Will makes a startling discovery in the alien city.
- 4 Nothing Left Behind Dec 1, 2021 · 40m · TMDB 6.9 As the adults race to destroy all clues to the location of Alpha Centauri, the Robinson kids receive an ominous message from SAR.
- 5 Stuck Dec 1, 2021 · 39m · TMDB 6.8 After crashing on a boggy planet, Maureen and Judy contend with a massive salivating creature, while John and Penny work to free the trapped Robot.
- 6 Final Transmission Dec 1, 2021 · 41m · TMDB 6.9 The story of Don's run-in with SAR leads the Robinsons to an alarming realization. Will sneaks out on a dangerous solo mission.
- 7 Contingencies on Contingencies Dec 1, 2021 · 52m · TMDB 6.9 The Robinsons race to get help for Will, warn the other colonists and activate a secret defense system. Vijay tags along with Penny on a risky outing.
- 8 Trust Dec 1, 2021 · 59m · TMDB 7.0 As the battle for Alpha Centauri unfolds, the Robinsons and their friends risk everything to restore peace and pave the way for a better future.