Nine-year-old Sheldon starts high school, where his brilliant mind is met with strong reactions.
To appease his worried mother, Sheldon employs techniques from a self-help book to try and make a friend.
When George Sr. is rushed to the emergency room, Meemaw comes to babysit and the kids have an adventure getting to the hospital on their own.
After choking on a breakfast sausage, Sheldon wrestles with his fear of solid foods and discovers comic books for the first time.
Sheldon struggles with newfound popularity after utilizing statistics to help the football team.
When a NASA representative visits Sheldon's school and dismisses his scientific suggestion, Sheldon sets out on a mission to prove him wrong.
The kids brainstorm ways to resolve a family feud when Meemaw refuses to give George Sr. her brisket recipe.
To bond with Sheldon, George Sr. takes the boys on a trip to see the space shuttle launch. Mary, Missy and Meemaw have a girls' weekend at the salon.
George Sr. strikes a deal with Sheldon to tutor Georgie when poor grades threaten Georgie's future on the football team.
When Sheldon interviews at a school in Dallas for gifted children, his family struggles to cope with his absence.
Sent to Sunday school after playing Dungeons & Dragons with Tam and Billy, Sheldon is inspired to study a variety of religions.
Sheldon asks for a computer and unknowingly sparks a heated argument between his parents over the family finances.
When flu season hits Medford, Sheldon takes extreme measures to remain healthy and winds up in detention.
When Mary takes a job as a church secretary, Sheldon and Missy are left home alone for the first time.
Sheldon makes friends with an upper-level student and learns a new field of science. But his blossoming social life doesn't sit well with his parents.
A disappointing loss at the science fair sends Sheldon's life in a new direction.
When Sheldon feels like he's being followed around by a bully, he tries to find a way to defend himself.
When Mary bans Sheldon from reading a mature comic book, Sheldon decides it's time to stop living under his mother's thumb.
No longer academically challenged at Medford High, Sheldon audits a college class taught by an esteemed professor.
A neighborhood battle erupts between the Coopers and the Sparks when the Sparks' new dog terrorizes Sheldon.
Sheldon obsesses over the status of Meemaw's budding relationship with his mentor while George and Mary attempt to bond with their other kids.
When two men compete for Meemaw's affections, Sheldon closely monitors the situation, then interferes.
Sheldon dismantles the refrigerator to stop an annoying hum and then gets a paper route to pay for the repairs.
When Dr. Sturgis bonds with another 10-year-old genius, Sheldon's jealousy leads Meemaw to intervene.
When a tragedy in the community shakes Mary's faith, Sheldon becomes an unlikely ally.
When George asks Sheldon to keep a secret from Mary, the dishonesty drives a stressed-out Sheldon to hide out at Tam's house for his first sleepover.
Dr. Sturgis recommends Sheldon and Missy for a university research study on twins, and the test results go to Sheldon's head.
Mary clashes with Sheldon's drama teacher over plans for a church fundraiser. Georgie falls for a rebellious teenage girl that Sheldon is tutoring.
Sheldon gets into trouble with fellow child genius, Paige, at the science museum as George Sr. is forced to play therapist to Paige's parents.
When Meemaw gives Sheldon his first video game, it takes over their lives. George Sr. gets jealous when Georgie bonds with Herschel at the auto shop.
Sheldon studies his family for a psychology project. George Sr.'s new job offer turns their Thanksgiving dinner into a huge fight.
Sheldon tries to act like a kid after learning that people with stunted childhoods can become social outcasts. Meemaw teaches Dr. Sturgis how to drive.
Missy unknowingly becomes Sheldon's test subject while Georgie joins Mary's Bible study to spend more time with his crush, Veronica.
When Sheldon spends a few days in the hospital, he turns into the world's worst patient. Missy gets a taste of what life would be like without her twin.
Sheldon attempts to build a nuclear reactor. Georgie finds out Veronica has a boyfriend. A colleague of Dr. Sturgis flirts with Meemaw.
Sheldon uses his new friendship with the school bully to boss Georgie around. Missy steals Meemaw's makeup for Picture Day.
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.
Things spiral out of control when Sheldon boycotts his favorite bread company and makes the local news. Georgie offers Veronica a shoulder to cry on.
Inspired by his hero, Albert Einstein, Sheldon tries to play the violin. Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.
Sheldon moves in with Dr. Sturgis for the weekend to see what his life would be like in college. A lonely Mary tries to bond with the other Coopers.
Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.
Georgie is thrilled when Veronica stays at the Coopers' house for a few days. Meemaw and Dr. Sturgis celebrate their one-year anniversary.
The Coopers help Pastor Jeff through a rough patch in his marriage. Sheldon pressures church members for donations when Mary takes him to work for a day.
Sheldon invites the whole school to a party for the Nobel Prize announcements. Georgie's wish for cable TV leads to a standoff between him and his dad.
After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path. Georgie discovers he has a knack for sales.
Without Dr. Sturgis's university class, Sheldon must find a new way to stay academically challenged. Mary helps Pastor Jeff avoid temptation.
When Meemaw refuses to drive Sheldon to a lecture with Dr. Linkletter, Sheldon takes matters into his own hands. Georgie tries to impress Veronica.
Sheldon's obsession with "The Lord of the Rings" leads to an unhealthy habit. Missy asks her dad to teach her how to throw a baseball.
After being released from the mental hospital, Dr. Sturgis makes an unexpected move.
A church carnival leads Missy to try out for the baseball team. Meanwhile, Meemaw has a tough time moving on.
Sheldon starts an internet flame war. Missy stands up to the boys on the baseball team. George Sr. starts spending time with Meemaw's new suitor.
The university makes George a lucrative job offer in the hopes of recruiting Sheldon while Georgie lands a job working for Dale.
Mary gets Pastor Jeff involved when Sheldon isn't invited to Billy's birthday party. Dr. Sturgis tries to schedule "male-bonding time" with George.
Sheldon fakes being sick to avoid a swim test at school. Dr. Sturgis goes to Dale's sporting goods store to observe him.
George and Meemaw try to get the Cooper household under control while Mary plans Pastor Jeff's wedding.
Sheldon learns to listen when an emotional Paige struggles with her parents' divorce. Georgie tries to buy his way out of chores.
George and Georgie go camping with Dale, but things get more complicated when Dr. Sturgis tags along. Sheldon and Missy invent a new game.
Sheldon and Georgie bond over a potential money-making opportunity. Mary grows concerned that Missy is misusing prayer to help with a batting slump.
Meemaw meets Dale's ex-wife while Sheldon is forced to work on a group project with reluctant college students.
Sheldon visits Caltech for the first time. Georgie is furious when Mary listens in on a private phone call. Meemaw tries to cheer up a jealous Missy.
Dr. Sturgis is furious when Sheldon accuses him of plagiarism. Mary sets out to find a unique trophy for Missy's end-of-season baseball ceremony.
When the school librarian lands in the hospital after an accident on the football field, the Cooper family must nurse her back to health.
Sheldon searches for the perfect neighbors. Missy is torn when she's forced to pitch against her boyfriend at a baseball game.
Sheldon has a scientific breakthrough at the dentist's office. Dale and Meemaw go to the casino. Dale leaves Georgie in charge of the store.
Emotions are high when Sheldon discovers that Mary's been keeping a secret about his future and Meemaw learns that Dale fired Georgie.
After graduating high school, Sheldon has a breakdown when he realizes he may not be ready for college. Dale tries to make amends with Meemaw.
Sheldon lands his dream summer job at the local train museum, Missy embarks on a new stage of womanhood and Georgie discovers Mary's guilty pleasure.
With college in sight, Sheldon is determined to ride his bike without training wheels. Mary and George argue over their parenting styles.
Sheldon finds himself in fierce competition with Paige after they're forced to attend Vacation Bible School. Georgie makes a questionable purchase.
Dale and Meemaw work out their issues while playing Dungeons & Dragons with the kids while Mary and George take a trip with Coach Wilkins and his wife.
While college orientation doesn't go as planned for Sheldon, Mary gets mistaken for a student. George helps Pastor Jeff set up a children's nursery.
Sheldon's first day of college is derailed by his new philosophy teacher. Mary and Brenda consider Missy's chances of becoming popular in middle school.
Meemaw takes matters into her own hands when Sheldon's philosophy teacher sends him into a tailspin. George learns that Georgie has been cutting class.
Sheldon works on his conversation skills for a dinner with a university benefactor. Meanwhile, Dale and June invite Meemaw to their son's wedding.
Sheldon campaigns to become Dr. Linkletter's lab assistant. Georgie enlists drama teacher Mr. Lundy for help with a surprising business venture.
Dr. Linkletter pushes Sheldon to make friends with his fellow students. When Georgie gets a beeper for work, an older woman mistakenly pages him.
Sheldon, Dr. Linkletter and Meemaw team up on a science experiment. Mary gets jealous when Pastor Jeff and Brenda start spending a lot of time together.
When Sheldon refuses to ride in a car after getting into an accident with Meemaw, Missy takes advantage of their traumatic experience at school.
When the IRS accuses Sheldon of making a mistake, he sets out to prove them wrong. Dale wants Meemaw to get a colonoscopy with him.
Sheldon is stuck in a moral dilemma when he's offered a bootleg copy of a computer game he can't afford. Mary, Meemaw and Brenda have a girls' night out.
When President Hagemeyer asks Sheldon to help recruit Paige to East Texas Tech, the two prodigies are at odds once again. Mary goes to June's salon.
Meemaw is in for a big surprise when a special guest joins the Coopers for dinner โ but a black hole soon sends the family into a panic.
Missy experiences her first heartbreak, triggering a series of events that push the Cooper family to the brink.
Sheldon and Missy are nowhere to be found. Mary receives some upsetting news, and a night out leaves George Sr. with a guilty conscience.
As Missy questions her faith, a new youth pastor manages to win atheist Sheldon's praise. Meemaw plots to catch George Sr. in a lie.
Georgie has shocking news for the Coopers. Sheldon tries to get Dr. Sturgis to give up his grocery job and return to the university.
Meemaw opens a secret gambling room at the back of a laundromat, while the Cooper kids adapt to new living quarters.
Sheldon brings Dr. Linkletter and Dr. Sturgis together to solve an equation. Georgie hatches a plot to help Meemaw with her business problems.
After some uncomfortable questions about sex are raised in Sunday school, Mary tries to have "the talk" with Sheldon and Missy.
Sheldon takes his first engineering class and tries to impress his hard-nosed professor. Meemaw gets jealous when Dale helps out his ex.
The university slashes science requirements, sparking Sheldon's outrage. Mary finds out about Meemaw and Georgie's moneymaking scheme.
After struggling in class, Sheldon learns to turn off his brain by watching an unlikely TV show. George Sr. plays handyman for neighbor Brenda.
As Sheldon eases into dorm life, he becomes popular โ and doesn't understand why. Meemaw and Georgie get a new business partner.
Mary chaperones the church's overnight party and enlists Sheldon to spy on the kids. Georgie is smitten with a new customer at the laundromat.
It's spring break and Sheldon cuts loose by sneaking off to a comic convention. Mary tries to sell makeup to the women at her church.
Sheldon hangs out with his dorm neighbors, while Meemaw counsels Missy after she's mocked by classmates. George Sr. and the football boosters clash.
When a new scientist joins the lab, Sheldon feels pushed out and seeks revenge. Mary tries to decide what to do with a lottery ticket.
Sheldon tags along with Dr. Sturgis and Dr. Linkletter on a science road trip that takes a turn. Meemaw urges Georgie to stop lying about his age.
After Meemaw gives them some of her gambling profits, Sheldon plays the stock market and Missy starts a business. George Sr. takes a part-time job.
An old friend of Sheldon's unexpectedly returns with an odd request. Meemaw nurses a broken heart. Mandy drops a bombshell.
As Sheldon deals with the death of an idol, Dr. Sturgis and Dr. Linkletter compete for Meemaw's attention, and Georgie reveals a secret.
George Sr. and Mary insist on meeting Mandy, while Sheldon and Missy try to make sense of what's going on in the Cooper household.
With family tensions affecting Sheldon's work in the classroom, Mary worries about backlash from the church and Mandy ducks Georgie's calls.
Amid drama with the congregation, Pastor Rob lends a sympathetic ear to Mary. Missy sticks up for her family in Sunday school.
The first signs of puberty add to Sheldon's worries as his parents look for new jobs. Georgie and Meemaw head to Mexico for a business trip.
George and Dale head to the border to get Meemaw and Georgie out of a jam. Sheldon blasts the church's hypocrisy when Mary and the twins are snubbed.
Sheldon fumes with envy over Missy's new job. Mary makes a bold move after an encounter with Pastor Rob and his date at the bowling alley.
Meemaw and Georgie lend Mandy a hand, and Sheldon struggles with an assignment. George is puzzled by Mary's behavior as she works alone on a project.
When Meemaw's advice fails, Missy turns to Mandy, who becomes her new idol โ with disastrous results. Sheldon's math tutoring leads to a revelation.
Meemaw brings Dale in on her new scheme, and they take a risky road trip. Following a noisy night in the dorm, Sheldon volunteers to enforce the rules.
Georgie's little gestures impress Mandy, but she gets suspicious about his long days at the laundromat. George accepts a job offer with one condition.
Sheldon's furious when Missy sells a rare comic, but his frustration leads to a novel idea. Georgie and Mandy have an odd encounter with her parents.
The university wants a piece of Sheldon's project. Pastor Jeff wages a morality war against the video store โ until his family secret is exposed.
George is irked when Pastor Rob muscles in on his territory. Missy suspects her new beau is using her, and Sheldon faces a tough choice.
Mandy spies Georgie flirting with a customer. Mary has a night out with friends and learns that Brenda's been keeping a secret.
George is stunned when Missy tells him about the secret meetings. Sheldon discovers he has competition; a spurned Hagemeyer tries to make him miserable.
The Coopers host a baby shower for Mandy, but the event takes a turn thanks to Audrey. Meanwhile, Sheldon tries to bond with Mandy's artsy brother.
Sheldon's surprised to see an old friend at his dorm, and he reluctantly ends up at his first frat party. Mary and George catch Missy in a lie.
Mandy goes into labor, eclipsing Sheldon's launch party. Accusations fly when George, Mary, Brenda and Pastor Rob run into each other.
As Mandy and Georgie adjust to their new life, Sheldon struggles with failure, Missy feels left out of family affairs โ and Mary's staying with Meemaw.
Missy's nowhere to be found when George wakes up โ and something else is missing. Paige's mom tells a bickering Mary and George to get counseling.
Brenda comes clean to Mary about the George situation. Mandy's disappointed when Georgie says he has a date for his 18th birthday.
Missy has a chance to do the right thing when she's invited to a popular girl's party. Sheldon ponders life on other planets with his new mentor.
Sheldon worries about grad school applications and gets surprising news. New mom Mandy has a job interview, and Georgie gets a side hustle.
Pastor Jeff's niece and Missy are up to no good. Sheldon has a yard sale to raise money for his trip. Meemaw's gambling room is burglarized.
Mary and George argue over who gets to go to Germany, but Missy's behavior may jeopardize Sheldon's future. Mandy drops a bombshell.
Sheldon and Mary are bound for Germany as a tornado nears Medford. Meemaw offers sanctuary in her gambling room, and her kind gesture pays off.