After Dr. Sturgis (Wallace Shawn) experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path. Also, Georgie discovers he has a knack for sales, on the third season premiere of YOUNG SHELDON, Thursday, September 26th on CBS. Subscribe to tvpromosdb on Youtube for more Young Sheldon season 3 promos in HD!剧情梳理 由爱美剧独家编辑整理，并且会持续更新...