Lost in Space is a sci-fi adventure series that follows the Robinson family, who are selected to join a space colony mission. However, when their spacecraft veers off course, they become stranded on an unknown planet. As they struggle to survive in a dangerous new environment, they encounter an enigmatic robot, strange alien life, and a cunning stowaway, Dr. Smith. The series explores themes of survival, family bonds, and resilience as they work to find a way back to their original mission.