Dr. Sturgis is furious when Sheldon accuses him of plagiarism. Also, Mary sets out to find a “girl trophy” for Missy’s end-of-season baseball ceremony, and Georgie has an awkward run-in with Veronica while on a date with his new girlfriend, Jana (guest star AVA ALLAN). LOUIE ANDERSON guest stars as Ralph, a trophy store employee.

When George Sr. accidentally lands the school librarian, Ms. Hutchins (recurring guest star SARAH BAKER) in the hospital, the Cooper family must nurse her back to health. Also, Meemaw gives Georgie relationship advice.

When Sheldon learns the house next door is for sale, he takes it upon himself to find the perfect neighbors; Missy is torn when she's forced to pitch against her boyfriend at the baseball game. JASON ALEXANDER returns.

Sheldon has a scientific breakthrough at the dentist’s office when he has to get a tooth pulled. Meanwhile, Dale and Meemaw go to the casino and Georgie makes a big mistake when Dale leaves him in charge of the store.

In the season three finale, Sheldon discovers that Mary's been keeping a secret about his future. Also, Meemaw is furious when she learns that Dale fired Georgie.

After graduating high school, Sheldon has a breakdown when he realizes he may not be ready for college. Also, Dale (recurring guest star CRAIG T. NELSON) tries to make amends with Meemaw in the season four premiere episode.

Sheldon gets his dream summer job at the local train museum. Also, George and Missy bond when Missy embarks on a new stage of womanhood, and Georgie discovers Mary’s guilty pleasure.

With college in sight, Sheldon is determined to ride his bike without training wheels and has Missy teach him. Meanwhile, Mary and George argue over parenting styles.

Sheldon finds himself in a fierce competition with Paige (recurring guest star MCKENNA GRACE) after their mothers force them to attend Vacation Bible School. Meanwhile, George is furious when Georgie makes a questionable purchase.

Dale and Meemaw work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy. Meanwhile, Mary and George take a trip with Coach Wilkins (recurring guest star DOC FARROW) and his wife; and Georgie freaks out when his girlfriend thinks she’s pregnant.

While college orientation does not go as Sheldon planned, Mary is mistaken for a university student and invited to a party. Meanwhile, George helps Pastor Jeff (series regular MATT HOBBY) set up a children’s nursery.