David, Goliath and a Yoo-Hoo From the Back – Sheldon uses his new friendship with the school bully to boss Georgie around; Missy steals Meemaw’s makeup for picture day.
A Race of Superhumans and a Letter to Alf – Sheldon experiments on Missy, and Georgie joins Mary’s bible study to spend more time with his crush, Veronica.
A Stunted Childhood and a Can of Fancy Mixed Nuts – Sheldon learns that people with stunted childhoods can turn into social outcasts, so he tries to act like a kid. Also, Meemaw and Dr. Sturgis’ relationship is tested when she teaches him how to drive.
An 8-Bit Princess and a Flat Tire Genius – A video game takes over Sheldon and Meemaw’s life. Also, George Sr. is jealous when Georgie bonds with Herschel at the auto shop.
Carbon Dating and a Stuffed Raccoon – Sheldon gets into trouble with fellow child genius Paige at the science museum. Also, George Sr. is forced to play therapist to Paige’s bickering parents, and Mary, Georgie and Missy help Meemaw with a garage sale.
Seven Deadly Sins and a Small Carl Sagan – Mary clashes with Sheldon’s drama teacher over plans for a Halloween fundraiser for the church. Also, Georgie falls for a rebellious teenage girl that Sheldon is tutoring.
A Research Study and Czechoslovakian Wedding Pastries – Dr. Sturgis recommends Sheldon and Missy for a university research study on twins, and Mary is unhappy when the test results go to Sheldon’s head.
A Financial Secret and Fish Sauce – When George Sr. asks Sheldon to keep a secret from Mary, the stress of not being honest drives Sheldon to hideout at Tam’s for his first sleepover.
A Crisis of Faith and Octopus Aliens – When Mary’s faith is shaken by a tragedy in the community, Sheldon becomes an unlikely ally.
A High-Pitched Buzz and Training Wheels – The Season 2 premiere: Sheldon dismantles the refrigerator to stop an annoying hum, and then gets a paper route to pay for the repairs.