In the third and final season of Lost in Space, the stakes are higher than ever and the Robinson family’s survival instincts will be put to the ultimate test. After a year of being trapped on a mysterious planet, Judy, Penny, Will and the Robot must lead the 97 young Colonists in a harrowing evacuation — but not before secrets are unearthed that will change their lives forever. Meanwhile John and Maureen — with Don at their side — must battle overwhelming odds as they try to reunite with their kids. The Robinsons will have to grapple with the emotional challenge of not just being lost — but being separated from the ones they love… as they face the greatest alien threat yet.