"Robinsons: Lost in Space" is a science fiction television series that follows the adventures of the Robinson family, who are stranded on an alien planet after their spaceship, the Resolute, crashes. The family must navigate various challenges, including hostile environments and alien creatures, while trying to find a way back home. The show features a mix of action, drama, and humor, highlighting the importance of family and teamwork. Key characters include John Robinson, the father and leader, Maureen Robinson, the resourceful mother, and their children, Will, Judy, and Penny, who each contribute unique skills to their survival efforts.