Being a once-in-a-generation mind isn't always easy for young Sheldon Cooper, and the gifted preteen now faces a major milestone: college. But what happens when his new philosophy teacher sends him into an existential crisis? Sheldon isn't the only Cooper facing big changes.

Twin sister Missy enters middle school and a new stage of womanhood, older brother Georgie embarks on a surprising business venture, feisty Meemaw juggles multiple beaus, and parents George Sr. and Mary try to keep the family on track. Follow the formative years of everyone's favorite boy genius across 18 witty, heartwarming episodes.