"A Couple Bruised Ribs and a Cereal Box Ghost Detector" is the 18th episode of Young Sheldon season three, originally airing on March 12, 2020. The episode focuses on themes of guilt and maturity as George Sr. cares for an injured librarian, Sheldon navigates a feud with Dr. Sturgis, and Georgie faces relationship troubles. For more details, visit TV Tropes . A Couple Bruised Ribs and a Cereal Box Ghost Detector