Lost in Space 1x2 Diamonds in the Sky Season 1 Season 1 10 EpisodesSeason 2 10 EpisodesSeason 3 8 Episodes 1x1 - Impact 1x2 - Diamonds in the Sky 1x3 - Infestation 1x4 - The Robinsons Were Here 1x5 - Transmission 1x6 - Eulogy 1x7 - Pressurized 1x8 - Trajectory 1x9 - Resurrection 1x10 - Danger, Will Robinson Another crash brings more travellers to the planet as the Robinsons work to salvage their ship with help from their mysterious new companion.