Lost in Space 2x2 Precipice Season 2 Season 1 10 EpisodesSeason 2 10 EpisodesSeason 3 8 Episodes 2x1 - Shipwrecked 2x2 - Precipice 2x3 - Echoes 2x4 - Scarecrow 2x5 - Run 2x6 - Severed 2x7 - Evolution 2x8 - Unknown 2x9 - Shell Game 2x10 - Ninety-Seven Penny and Maureen become trapped in a mysterious metal trench, and Don falls prey to a nasty toxin.