Watch Lost in Space (2018) · Season 3 Full Episodes Online

Where to Watch Season 3

8 Episodes

Three Little Birds
E1
Episode 1Three Little BirdsWhile 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.
Contact
E2
Episode 2ContactWill, 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.
The New Guy
E3
Episode 3The New GuyIt'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.
Nothing Left Behind
E4
Episode 4Nothing Left BehindWhile 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.
Stuck
E5
Episode 5StuckThe 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.
Final Transmission
E6
Episode 6Final TransmissionThe 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.
Contingencies on Contingencies
E7
Episode 7Contingencies on ContingenciesThe 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.
Trust
E8
Episode 8TrustSAR 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.