Penny and Maureen become trapped in a mysterious metal trench. Don falls prey to a nasty toxin.

The episode was rated 7.66 from 1474 votes.

Seven months later, marooned on a watery planet, the Robinsons make a risky bid to power up their Jupiter. Will vows to track down the Robot.

The episode was rated 7.67 from 1614 votes.

John's predicament goes from bad to worse, sending Judy on a frantic race across the planet. Penny spies on Smith with help from an old friend.

The episode was rated 7.68 from 1388 votes.

The Robinsons' dreams of a happy reunion fade when they realize something's very wrong aboard the Resolute. Smith seizes a chance to clear her name.

The episode was rated 7.68 from 1450 votes.

Will searches for clues to the Robot's fate. John and Judy travel to the dusty surface of the nearby planet to help their fellow survivors.

The episode was rated 7.75 from 1416 votes.

John recruits an unlikely partner to help hunt down a secret audio signal intercepted by the ship. Will begins to suspect Adler is hiding something.

The episode was rated 7.82 from 1356 votes.

The fast-spreading contaminant leaves Penny, Smith and friends stranded in tight quarters. Will and Maureen set out with Adler to find the Robot.

The episode was rated 7.84 from 1379 votes.

While Maureen leads a mutiny, Hastings visits John to deliver an ultimatum. Penny tries to convince Will that his Robot has changed.

The episode was rated 7.89 from 1367 votes.

Will and Penny scramble to hide the robots and figure out their next move. Hastings amps up his war against the Robinsons.

The episode was rated 7.91 from 1345 votes.

The mission to save Scarecrow takes an unexpected turn, throwing the Resolute into chaos. Judy hatches a plan to get a ship to Alpha Centauri.

The episode was rated 8.14 from 1398 votes.