A worried Mary sends Sheldon to Sunday school after she finds him playing Dungeons and Dragons with his friends, Tam and Billy.

When flu season hits Medford, Sheldon takes extreme measures to remain healthy.

When Connie is pursued by two gentlemen callers, Sheldon interferes, forcing her to set some ground rules.

After Sheldon dismantles the refrigerator to stop an annoying hum, he gets a paper route to pay for the repairs.

When Dr. Sturgis recommends Sheldon and Missy for a university research study on twins, Mary is unhappy when the test results go to Sheldon's head.

Mary clashes with Sheldon's drama teacher over plans for a Halloween fundraiser for the church. Georgie falls for a rebellious teenage girl whom Sheldon is tutoring.

Sheldon gets into trouble with fellow child genius, Paige at the science museum. George is forced to play therapist to Paige’s bickering parents. Mary, Georgie and Missy help Connie with a garage sale.

Sheldon studies his family for a psychology project. Thanksgiving dinner turns into a family fight when George Sr. is offered a job in Oklahoma.

Sheldon experiments on Missy, and Georgie joins Mary’s bible study to spend more time with his crush, Veronica.

Sheldon attempts to build a nuclear reactor. Also, a university cocktail party gets heated when Dr. Sturgis’ colleague, Dr. Linkletter, flirts with Connie, and Georgie is heartbroken when he learns Veronica has a boyfriend.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college. Also, a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Sheldon invites the entire school to a party for the Nobel Prize announcements. Also, Connie learns more about Dr. Sturgis' past, and Georgie's desire for cable TV leads to a standoff between him and George Sr.

Sheldon takes matters into his own hands when Connie refuses to drive him to a lecture with Dr. Linkletter. Also, Georgie tries to impress Veronica with his new business venture

Mary gets Pastor Jeff involved when Sheldon isn't invited to Billy's birthday party. Also, George Sr. has "male-bonding time" with Dr. Sturgis.

Sheldon and Georgie mine for platinum in roadside gravel. Mary is concerned when Missy misuses religion to help with a batting slump.

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.

With college in sight, Sheldon is determined to ride his bike without training wheels. Also, Mary and George Sr. argue over parenting styles.

Dale and Connie work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy. Also, Mary and George take a trip with Coach Wilkins and his wife, and Georgie freaks out when his girlfriend thinks she's pregnant.

Sheldon's first day of college is derailed by his new philosophy teacher, Professor Ericson. Also, Mary and Brenda live vicariously through Missy's first day of middle school.

Sheldon refuses to ride in a car after getting into an accident with Connie. Also, Missy uses their trauma to her advantage at school and Connie is forced to take the church shuttle while her car is in the shop.

Sheldon is caught in a moral dilemma when offered a bootleg copy of a computer game he can't afford. Also, Mary and Connie take Brenda out for girls' night while George Sr. and the guys watch Billy, and Missy asks Georgie to take her and Marcus on a secret date.

The Coopers discuss the possibilities of black holes and alternate universes when Dr. Sturgis comes over for dinner.

Sheldon tries to convince Dr. Sturgis to return to the university. Also, Georgie upsets the family when he makes a life-changing decision.

Mary butts heads with Mandy's mother, Audrey, and Sheldon attempts male bonding.

Sheldon realizes he is the weakest student in his class; Meemaw is looking to expand her gambling business.

Sheldon studies to be Meemaw's lawyer when she is put on house arrest, and the Coopers have a plumbing emergency.