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

News of the tornado reaches Sheldon and Mary in Germany. Also, with the Cooper house in chaos, Missy steps up.

Sheldon helps his roommate try to beat the stock market, Missy and Billy Sparks throw a party, and Mary finds a new church.

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

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

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.

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

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.

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.

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

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.

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

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

Missy steals her dad's truck and hits the road with her friend Paige.

The gambling room gets broken into and Sheldon wants to study abroad. Also, Missy makes a new friend.

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.

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

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.

When the IRS accuses Sheldon of making a mistake, he'll stop at nothing to prove them wrong. Also, Dale is forced to get a colonoscopy and tries to convince Connie to join him.

Sheldon makes a terrifying mathematical discovery while tutoring Billy. Also, Mary is jealous of Missy's relationship with Mandy and Connie.

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