Lost in Space Show Summary, Upcoming Episodes and TV Guide

The Robinson children realize where the Robot is trying to take Scarecrow and help it escape the Resolute, and gain an unexpected ally Hastings strands John and Maureen in the gas giant.

Kamal and Hastings receive an unidentified audio signal and John sets out to discover what it is. The Robot makes a friend and then loses it, and Ben has a change of heart.

Judy runs against time to save John after the drill shaft collapses. Penny convinces Vijay to help her gather evidence against Smith, and Maureen and Will travel to the planet with Ben to investigate Will's connection to the Robot.

The Robinsons find the Resolute on their side of the rift and abandoned, and are soon evading one of the alien robots. Meanwhile, Smith takes steps to erase evidence of her old life and remembers the past.

The Robinsons and Don are forced to convert the stranded Jupiter 2 into a sailing ship when the hull springs a leak, letting in poisonous atmosphere. Smith sets out to prove her usefulness, and Will misses the Robot.

As the Resolute prepares to depart the system, Smith orders Maureen to leave the planet... even though John and Don are stranded somewhere in space.

The colonists realize that they only have enough fuel to launch one Jupiter... if Maureen can find a way to lighten the load enough. Meanwhile, Smith continues to prey on the Robinson's minds even though they've locked her up.

Don tells Victor that he knows where they can find fuel to escape the planet. Meanwhile, Maureen debates the ethics of telling the colonists about the planet's impending destruction, Smith continues sowing dissent against the Robot, and Penny takes Vijay for a swim.

The Robinsons contact another stranded family, the Watanabes. While they explore a piece of wreckage with Don's help, the Robinson children set out to hide the Robot when they discover more colonists are on the planet.

Don and 'Smith' land on the planet and find another survivor. Meanwhile, John, Maureen, Will and the Robot go to investigate the Robot's ship, and Will learns more of the Robot's origins.