Sheldon takes his first engineering class with Professor Boucher. Also, Meemaw and Dale help take care of his ex-wife, June.

After graduating high school, Sheldon has a breakdown when he realizes he may not be ready for college. Dale tries to make amends with Meemaw.

After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path. Also, Georgie discovers he has a knack for sales.

After choking on a breakfast sausage, Sheldon wrestles with his fear of solid foods and discovers comic books for the first time.