In the fourth season of Young Sheldon (2020–2021), 11-year-old Sheldon graduates from high school and begins his college journey at East Texas Tech, navigating new academic challenges and a philosophy-induced existential crisis. The 18-episode season, starring Iain Armitage, Zoe Perry, and Lance Barber, also focuses on Missy starting middle school, Georgie's business ventures, and Meemaw's relationship. You can stream the complete fourth season on Max and Netflix .