Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
Lost in Space Season 3 Episodes
Season 3 Episode Guide
8 Episodes 2021 - 2021
Episode 1
Three Little Birds
Wed, Dec 1, 202155 mins
While the children, stranded on a planet, try to gather the titanium they need to fix their lander's engines, the parents try to avoid the robots, build a station with the Jupiters to find their children, and deal with the enormity of their loss.
Episode 2
Contact
Wed, Dec 1, 202148 mins
Will, Penny, and Smith explore a tunnel and find Robot, while John, Maureen, and Don try to find Scarecrow and a robot engine that can take them to Alpha Centauri. Meanwhile, Judy finds her long-lost father Grant and is reunited with him as they struggle to get to the kid's camp.
Episode 3
The New Guy
Wed, Dec 1, 202149 mins
It's a matter of trust, when Maureen wonders if she can trust Scarecrow, Smith wonders if she can trust Judy and Will to bring her out of cryosleep when they reach Alpha Centuri, and Judy wonders if she can trust Grant to pilot them through an asteroid field.
Episode 4
Nothing Left Behind
Wed, Dec 1, 202139 mins
While the children on the Jupiter transport try to find a way to safely reunite with their parents and make the trip to Alpha Centauri, the parents realize that the robots are coming and seek to destroy any clues that might lead their enemies to Alpha Centauri.
Episode 5
Stuck
Wed, Dec 1, 202139 mins
The Robinson group land on a bog planet and are split up. Will and Smith try to get back Will's backpack with a skull, John and Penny attempt to free the trapped Robot, Don chases Debbie, and Maureen remembers the birth of Judy while the two of them try to escape being swallowed by a bog creature.
Episode 6
Final Transmission
Wed, Dec 1, 202141 mins
The separate Robinsons reunite at the Jupiter 2, and Will goes to confront SAR and try to get through to the robot. One of the group will fall as they learn that SAR has found a away to locate Alpha Centauri, and they have to get to the colony to warn them.
Episode 7
Contingencies on Contingencies
Wed, Dec 1, 202151 mins
The Robinsons finally get to Alpha Centuari, but discover peril waiting for the when they find out that SAR and the other robots are plan to sabotage the power to the planet's defense system, which is the only thing protecting the Centauri colony from imminent attack.
Episode 8
Trust
Wed, Dec 1, 202158 mins
SAR and its robots launch their attack on Alpha Centauri, and the Robinsons try to find a way to stop them. Will goes to the robots' home planet with Smith and the Robot to try and find a way to convince them stop, while Penny makes a new friend.
