Lost in Space: Season 3
2021 · 8 episodes · ★ 6.8
What Season 3 of Lost in Space
The season kicks off one year after the mission begins. Judy, Penny and Will need to find the titanium that will let them reach Alpha Centauri, while their parents follow the trail of the SAR wreckage. The Robinsons are separated and must reunite on a strange planet, where they face enormous creatures and constant dangers. Will decides to take on a solo mission, and the family rushes to help him. On top of all this, a robot invasion threatens Alpha Centauri. Scarecrow, Vijay and Robot join the leads on their risky adventures.
Season 3 Episodes
3x01 Three Little Birds
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.
Directing: Frederick E. O. Toye · Writing: Matt Sazama, Burk Sharpless · Starring: Ajay Friese, Charles Vandervaart
3x02 Contact
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.
Directing: Kevin Rodney Sullivan · Writing: Zack Estrin · Starring: Russell Hornsby, Charles Vandervaart
3x03 The New Guy
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.
Directing: Sarah Boyd · Writing: Vivian Lee · Starring: Ajay Friese, Russell Hornsby, Elias Leacock, Charles Vandervaart
3x04 Nothing Left Behind
As the adults race to destroy all clues to the location of Alpha Centauri, the Robinson kids receive an ominous message from SAR.
Directing: Julian Holmes · Writing: Daniel McLellan · Starring: Ajay Friese, Russell Hornsby, Elias Leacock, Charles Vandervaart
3x05 Stuck
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.
Directing: Leslie Hope · Writing: Kari Drake
3x06 Final Transmission
The story of Don's run-in with SAR leads the Robinsons to an alarming realization. Will sneaks out on a dangerous solo mission.
Directing: Julian Holmes · Writing: Katherine Collins
3x07 Contingencies on Contingencies
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.
Directing: Leslie Hope · Writing: Zack Estrin · Starring: Theresa Wong, Ajay Friese, Russell Hornsby, Karen LeBlanc
3x08 Trust Season Finale
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.
Directing: Jabbar Raisani · Writing: Matt Sazama, Burk Sharpless · Starring: Theresa Wong, Ajay Friese, Russell Hornsby, Karen LeBlanc
Season 3 Cast
Toby StephensJohn Robinson8 episodes
Molly ParkerMaureen Robinson8 episodes
Mina SundwallPenny Robinson8 episodes
Ignacio SerricchioDon West8 episodes
Brian SteeleRobot8 episodes
Charles VandervaartLiam Tufeld6 episodes
Ajay FrieseVijay Dhar5 episodes
Elias LeacockNoah3 episodes
Theresa WongDr Kinoshita2 episodes
Karen LeBlancChancellor2 episodesAll Seasons
Season 12018 · 10 eps · 
Season 22019 · 10 eps · Where to Watch Season 3 of Lost in Space
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Frequently Asked Questions
How many episodes are in Season 3 of Lost in Space?
Season 3 of Lost in Space has 8 episodes.
When did Season 3 of Lost in Space premiere?
Released on December 1, 2021.
Where to watch Season 3 of Lost in Space
Available by subscription on Netflix and Netflix Standard with Ads (availability may vary by country).
What is the best episode of Season 3?
According to the TMDB audience score, episode 3x08, "Trust", with a 7.0.