A High-Pitched Buzz and Training Wheels
Sheldon dismantles the refrigerator to stop an annoying hum; and then must get a paper route to pay for the repairs.
A Rival Prodigy and Sir Isaac Neutron
When Dr. Sturgis bonds with Paige, another ten-year-old genius, Sheldon's jealousy leads Meemaw to intervene. Meanwhile, Mary invites Paige's family over for a play date.
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 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 hide out at Tam's for his first sleepover.
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.
Seven Deadly Sins and a Small Carl Sagan
Mary clashes with Sheldon's drama teacher Mr. Lundy over plans for a Halloween haunted house fundraiser for the church. Also, Georgie falls for a rebellious teenage girl that Sheldon is tutoring.
Carbon Dating and a Stuffed Raccoon
Sheldon gets into trouble with fellow child genius Paige at the Science Museum, while George Sr. is forced to play therapist to Paige's bickering parents, Barry and Linda. Meanwhile, Mary, Georgie and Missy help Meemaw with a garage sale.
An 8-Bit Princess and a Flat Tire Genius
When Meemaw gives Sheldon his first video game, it takes over their lives. Meanwhile, George Sr. gets jealous when Georgie bonds with Herschel at the auto shop.
Family Dynamics and a Red Fiero
Sheldon studies his family for a psychology project when their Thanksgiving dinner turns into a family fight after George Sr. is offered a job in Oklahoma.
A Stunted Childhood and a Can of Fancy Mixed Nuts
Bazinga is born! When Sheldon learns that people with stunted childhoods can turn into social outcasts, he tries to act like a kid. Also, Meemaw and Dr. Sturgis's relationship is tested when she teaches him how to drive.
A Race of Superhumans and a Letter to Alf
While Missy unknowingly becomes Sheldon's test subject, Georgie joins Mary's Bible study to spend more time with his crush, Veronica.
A Tummy Ache and a Whale of a Metaphor
When Sheldon gets sick and has to spend a few days in the hospital, he turns into the world's worst patient and his behavior takes a toll on everyone. Also, Missy gets a taste of what life would be like without her twin.
A Nuclear Reactor and a Boy Called Lovey
While Sheldon attempts to build a nuclear reactor to power the neighborhood, Georgie is heartbroken when he learns that Veronica has a boyfriend. Also, a university party gets heated when a colleague of Dr. Sturgis, Dr. Linkletter, flirts with Meemaw.
David, Goliath and a Yoo-hoo from the Back
Sheldon uses his new friendship with the school bully to boss Georgie around. Also, Missy steals Meemaw's makeup for Picture Day.
A Math Emergency and Perky Palms
Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks a question wrong on Sheldon's test. Mary takes over for Pastor Jeff when he's out sick.
A Loaf of Bread and a Grand Old Flag
Things spiral out of control when Sheldon boycotts his favorite bread company and ends up on the local news. Meanwhile, Georgie offers Veronica a shoulder to cry on when she's dumped by her boyfriend.
Albert Einstein and the Story of Another Mary
Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin. Also, Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.
A Perfect Score and a Bunsen Burner Marshmallow
Sheldon moves in with Dr. Sturgis for the weekend to see what his life would be like in college. Also, a lonely Mary tries to bond with the other Coopers during Sheldon's absence.
A Political Campaign and a Candy Land Cheater
Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.
A Proposal and a Popsicle Stick Cross
Georgie is thrilled when Veronica stays at the Coopers' for a few days. Meanwhile, Meemaw and Dr. Sturgis celebrate their one-year anniversary.
A Broken Heart and a Crock Monster
The Coopers help a brokenhearted Pastor Jeff through a rough patch in his marriage. Meanwhile, Sheldon pressures church members for donations when Mary takes him to work for a day.
A Swedish Science Thing and the Equation for Toast
Sheldon invites the entire school to a party for the Nobel Prize announcements. Meanwhile, Meemaw learns more about Dr. Sturgis's past, and Georgie's desire for cable TV leads to a standoff between him and his dad.
Quirky Eggheads and Texas Snow Globes
Mary worries about Sheldon's mental health.
A Broom Closet and Satan's Monopoly Board
Sheldon takes his education into his own hands.
An Entrepreneurialist and a Swat on the Bottom
Sheldon leaves town after a fight with Meemaw and his parents.
Hobbitses, Physicses and a Ball with Zip
On a science break, Sheldon discovers The Lord of the Rings.
A Pineapple and the Bosom of Male Friendship
Dr. Sturgis returns from the mental hospital.
A Parasol and a Hell of an Arm
Missy tries out for the baseball team.
Pongo Pygmaeus and a Culture That Encourages Spitting
Sheldon starts the first internet flame war.
The Sin of Greed and a Chimichanga from Chi-Chi's
The University tries to recruit Sheldon, through George.
A Party Invitation, Football Grapes and an Earth Chicken
George and Dr. Sturgis have male-bonding time.
Teenager Soup and a Little Ball of Fib
Sheldon faces his fear of the swimming pool.
A Live Chicken, A Fried Chicken and Holy Matrimony
Mary plans Pastor Jeff's wedding.
Body Glitter and a Mall Safety Kit
Sheldon catches Paige shoplifting.
Contracts, Rules and a Little Bit of Pig Brains
George and Georgie go camping with Meemaw's boyfriends.
A Slump, A Cross and Roadside Gravel
Sheldon and Georgie bond over a money-making opportunity.
A Boyfriend's Ex-Wife and a Good Luck Head Rub
Meemaw meets Dale's ex-wife.
Sheldon visits CalTech for the very first time.
An Academic Crime and a More Romantic Taco Bell
Sheldon accuses Dr. Sturgis of plagiarism.
A Couple Bruised Ribs and a Cereal Box Ghost Detector
George accidentally sends the school librarian to the hospital.
A House for Sale and Serious Woman Stuff
Sheldon sets out to find the perfect neighbors.
A Baby Tooth and the Egyptian God of Knowledge
Sheldon has a scientific breakthrough at the dentist's office.
A Secret Letter and a Lowly Disc of Processed Meat
Sheldon discovers Mary's been keeping a secret about him.
After graduating high school, Sheldon has a breakdown when he realizes he may not be ready for college. Also, Dale tries to make amends with Meemaw.
A Docent, a Little Lady and a Bouncer Named Dalton
Sheldon gets his dream summer job at the local train museum. Also, George and Missy bond when Missy embarks on a new stage of womanhood, and Georgie discovers Mary's guilty pleasure.
Training Wheels and an Unleashed Chicken
With college in sight, Sheldon is determined to ride his bike without training wheels and has Missy teach him. Meanwhile, Mary and George argue over parenting styles.
Bible Camp and a Chariot of Love
Sheldon finds himself in a fierce competition with Paige after their mothers force them to attend Vacation Bible School. Meanwhile, George is furious when Georgie makes a questionable purchase.
A Musty Crypt and a Stick to Pee On
Dale and Meemaw work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy. Meanwhile, Mary and George take a trip with Coach Wilkins and his wife; and Georgie freaks out when his girlfriend thinks she's pregnant.
Freshman Orientation and the Invention of the Zipper
While college orientation does not go as Sheldon planned, Mary is mistaken for a university student and invited to a party. Meanwhile, George helps Pastor Jeff set up a children's nursery.
A Philosophy Class and Worms That Can Chase You
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.
An Existential Crisis and a Bear That Makes Bubbles
Meemaw takes matters into her own hands when Sheldon's philosophy teacher, Professor Ericson, sends him into a tailspin. Also, George learns that Georgie has been cutting class.
Crappy Frozen Ice Cream and an Organ Grinder's Monkey
Sheldon and his father dine with President Hagemeyer and a university benefactor. Also, Georgie gives Missy some brotherly advice when Mary won't let her go to the school dance. Lastly, Dale and his ex-wife June convince Meemaw to attend their son's wedding.
Cowboy Aerobics and 473 Grease-Free Bolts
Sheldon campaigns to become Dr. Linkletter's lab assistant. Meanwhile, Georgie enlists the help of Mr. Lundy, the drama teacher, for a surprising business venture.
A Pager, a Club and a Cranky Bag of Wrinkles
Dr. Linkletter pushes Sheldon to make friends with his fellow students; and Georgie gets a pager.
A Box of Treasure and the Meemaw of Science
Sheldon, Dr. Linkletter and Meemaw team up on a science experiment. Also, Mary is jealous that Pastor Jeff and Brenda are spending so much time together. And Georgie has a new side hustle.
The Geezer Bus and a New Model For Education
Sheldon refuses to ride in a car after getting into an accident with Meemaw. Then, Missy uses their trauma to her advantage at school. Meanwhile, Meemaw is forced to take the church shuttle while her car is in the shop.
Mitch's Son and the Unconditional Approval of a Government Agency
When the IRS accuses Sheldon of making a mistake, he'll stop at nothing to prove them wrong. Then, when Dale is forced to get a colonoscopy, he tries to convince Meemaw to join him.
A Virus, Heartbreak and a World of Possibilities
Sheldon is caught in a moral dilemma when offered a bootleg copy of a computer game he can't afford. Meanwhile, Mary and Meemaw take Brenda out for Girls' Night, while George and the guys watch Billy. Lastly, Missy asks Georgie to take her and Marcus on a secret date.
A Second Prodigy and the Hottest Tips for Pouty Lips
Sheldon finds himself at odds with Paige once again when she considers enrolling at East Texas Tech. Meanwhile, Mary seeks the advice of June, when looking for a change.
A Black Hole
The Coopers discuss the possibilities of black holes and alternate universes when Dr. Sturgis comes over for dinner.
The Wild and Woolly World of Nonlinear Dynamics
In the fourth season finale, Missy's first heartbreak triggers a series of events that lead the Cooper family to the brink.