Lost in Space 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.
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Season 3 Episodes
8 episodes
1
63
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
67
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.
3
68
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.
4
68
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
67
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
68
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
68
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
69
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.