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.

Without Dr. Sturgis’ university class, Sheldon must find a new way to stay academically challenged. Also, Mary helps Pastor Jeff avoid temptation with his girlfriend.

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

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit. Also, Missy asks George Sr. to teach her how to play catch.

After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Connie.

A church carnival leads Missy to try out for the baseball team. Also, Connie struggles after her breakup with Dr. Sturgis.

Sheldon starts an internet flame war, and Missy stands up to the boys on her baseball team. Also, Connie is unhappy when George Sr. spends time with her new boyfriend.

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 fakes being sick to avoid a swim test at school. Also, Dr. Sturgis spies on Connie's new boyfriend.

George Sr. and Connie struggle to manage the Cooper household while Mary plans Pastor Jeff’s wedding.

The fate of the world lies in Sheldon's hands. Faced with dire consequences in the wake of Georgie's murder, he must reunite with friends old and new to stop the second coming of the big bang before Meemaw can complete her evil plan and take over the world forever.

George Sr. and Georgie go camping with Connie's new boyfriend, Dale, but things get complicated when her ex-boyfriend, Dr. Sturgis, tags along. Also, Sheldon and Missy invent a super-game.

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

Connie meets Dale’s ex-wife, June. Sheldon is forced to work on a group project with reluctant college students.

Sheldon visits CalTech for the very first time. Also, Georgie is furious when Mary listens in on a phone call with his girlfriend, and Connie tries to cheer up a jealous Missy.

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.

When George Sr. accidentally lands the school librarian in the hospital, the Cooper family must nurse her back to health. Connie 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.

Sheldon has a scientific breakthrough at the dentist's office. Also, Dale and Connie go to the casino, and Georgie makes a big mistake when Dale leaves him in charge of the store

Sheldon discovers that Mary's been keeping a secret about his future. Also, Connie is furious when she learns Dale fired Georgie.