Season 3 Plot
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.
Lost in Space Season 3 aired on December 1st, 2021.
Season 3 Episodes
1. 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.
2.
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
Scarecrow helps Maureen and John plot an engine heist. Judy returns to camp with new engers. Will makes a startling discovery in the alien city.
4. 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.
5. 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.
6. 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.
7. 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.
8. Trust
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.
