The Cooper family grapples with the death of George Cooper Sr.

George Sr. gets an exciting job offer, and Sheldon prepares for his move to California.

Sheldon leaves East Texas for the California Institute of Technology following the death of his father.

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 and Mary head to Germany while the rest of the Cooper family braves a tornado that is heading straight for Medford.

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

A video game takes over Sheldon and Connie’s life. George Sr. is jealous when Georgie bonds with Herschel at the auto shop.

George and Mary insist on meeting the new woman in Georgie's life. Also, Sheldon and Missy have suspicions about what's going on with their family.

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.

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.

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.

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

Sheldon gets an odd request from an old friend, Paige. Also, George Sr. and Mary are caught in the middle of Connie and Dale's breakup, and Georgie comes clean to Mandy.

The Coopers can't be found as Mandy goes into labor. Also, Sheldon is excited about the launch of his database.

Sheldon's published paper leads to a frenzy of grad school recruiting, and Georgie tries to speak more properly in front of his daughter.

When a NASA representative visits Sheldon’s school and dismisses his science, Sheldon is set on a mission to prove him wrong.

When Mary’s faith is shaken by a tragedy in the community, Sheldon becomes an unlikely ally.

Georgie is thrilled when Veronica stays at the Coopers' house for a few days. Also, Connie and Dr. Sturgis celebrate their one-year anniversary.

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.

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

Missy's first heartbreak triggers a series of events that lead the Cooper family to the brink.

As the church congregation gossips about Georgie, Missy stands up for her brother, and Sheldon is distracted by the family drama.

Sheldon confronts the failure of his database. Also, Georgie and Mandy struggle as new parents and Missy feels forgotten.

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.

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