Young Sheldon

Sheldon attempts to build a nuclear reactor; a university cocktail party gets heated when Dr. Sturgis' colleague flirts with Meemaw; Georgie is heartbroken when he learns Veronica has a boyfriend.

When Sheldon has to spend 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.

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

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

Things spiral out of control when Sheldon boycotts his favorite bread company; Georgie offers Veronica a shoulder to cry on when she's dumped by her boyfriend.

Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks an answer wrong on Sheldon's test; Mary takes over for Pastor Jeff when he's out sick.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.

Georgie and Mandy get married.

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

Sheldon explores Germany behind Mary's back; Missy attempts to pull a fast one on George Sr.; Meemaw and Dale adjust to living together.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon uses his new friendship with the school bully to boss Georgie around; Missy steals Meemaw's makeup for picture day.

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.

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

Sheldon finds himself at odds with Paige when she considers enrolling at East Texas Tech.; Mary seeks June's advice when looking for a change.

Sheldon is caught in a moral dilemma when offered a bootleg copy of a computer game he can't afford; Mary and Meemaw take Brenda out for girls' night; Missy asks Georgie to take her and Marcus on a secret date.

Sheldon takes his first engineering class with Professor Boucher; Meemaw and Dale help take care of his ex-wife, June.

Missy asks some uncomfortable questions at church; Meemaw and Georgie go into business together.

Sheldon and Missy both run away from home together; Mary gets some upsetting news about her husband, George.

Meemaw opens a secret gambling room; Sheldon, Missy and Georgie adapt to new living arrangements.

Sheldon tries to convince Dr. Sturgis to return to the university; Georgie upsets the family when he makes a life-changing decision.

Sheldon encourages Missy to question the Bible; Meemaw is determined to catch George Sr. in a lie; Mary helps Pastor Jeff search for a youth pastor.

Sheldon and Dr. Linkletter struggle to solve an equation; Georgie has a solution for Meemaw's business woes; George Sr. gives advice on Missy's love life.

Sheldon battles President Hagemeyer's mysterious boss over the university's science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.

Missy's first disappointment in love triggers a series of events that leads the Cooper family to the edge of an abyss.

Sheldon butts heads with Dr. Lee, a new scientist in the lab; Mary is given a lotto ticket.

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

Sheldon joins Dr. Linkletter and Dr. Sturgis on a science road trip; Georgie continues to lie about his age.

Sheldon acts as Mary's spy during a youth lock-in at church; Georgie is attracted to an older woman.

Sheldon makes friends with his dorm neighbors; George Sr. learns his job is in jeopardy.

Sheldon attends his first comic book convention; Mary tries selling makeup.

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

Meemaw's gambling room becomes a success; Sheldon dips his toe in the stock market; Missy starts a business.

Sheldon gets a dorm room all to himself; Meemaw gains an unwanted business partner.

Sheldon copes with the death of a hero; Missy wants to babysit; Georgie struggles with his big secret.

Sheldon gets the science yips and has to learn how to not think; George Sr. plays handyman at Brenda Sparks' house.

Sheldon and Missy learn about Georgie's pregnancy, and the whole family promises to keep it a secret.

Sheldon struggles to cope with his first signs of puberty; Mary and George Sr. both hunt for new jobs; Georgie and Meemaw take a business trip across the border.

At college, Sheldon decides to expand his responsibilities and become a dorm resident adviser; Meemaw and Dale make a sketchy business deal; Mary and George Sr. rekindle their romance.

Sheldon's search for a comic book leads him to a breakthrough; Georgie and Mandy have an uncomfortable first encounter with her parents.

George Sr. is asked to help with the football team; Mandy discovers Georgie and Meemaw's secret business.

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

Sheldon considers dropping out of college to focus on building his database; George Sr. is frustrated when someone else gets credit for his football wins.

George Sr. bails Meemaw and Georgie out of jail; Sheldon and Missy meet Mandy; Mary feels unwelcome at church.

Sheldon and Missy try to help the family's finances; Mary struggles to find her footing without the church.

Sheldon's database invention puts him at odds with the university; the church takes issue with Meemaw's video store.

Mary struggles to make new friends; Mandy pushes Georgie to date another woman.

Sheldon must choose sides in an ethical dilemma; Mary tries her hand at writing; Mandy needs a new place to live.

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

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

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

Paige drags Sheldon to a college party; Missy gets caught in a lie.

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

George Sr. is worried that Mary wants another baby and gets a vasectomy behind her back; Dr. Linkletter and Dr. Sturgis go to Sheldon for science tutoring.

Mandy gets an exciting job opportunity; Sheldon worries that he's falling behind; Georgie takes his daughter to work.

Mandy surprises Georgie with a spa weekend; Sheldon prepares for his summer in Germany.

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

Missy steals her dad George's truck and runs away from her house; she hits the road with her friend Paige.

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

Sheldon studies to be Meemaw's lawyer when she is put on house arrest; the Coopers have a plumbing emergency.

Missy steps up; Mary has a surprise for George; Sheldon finds his dorm occupied.

Georgie and Mandy's wedding plans pit Mary against Mandy's mom, with baby CeeCee caught in the middle.

Meemaw gets assigned a tough probation officer; Georgie takes marriage advice from his father-in-law.

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

Sheldon wants to search for life on other planets; Mandy answers Georgie's marriage proposal; Missy is caught between two friends.

Sheldon learns the university is building a database without him; Mary takes care of a bedridden Mandy and Meemaw.

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

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

Sheldon leaves East Texas for the California Institute of Technology following the death of his father, George Cooper Sr.

George Sr. and Meemaw struggle to manage the Cooper household; Mary plans Pastor Jeff's wedding.

Sheldon and Georgie mine for platinum in roadside gravel; Mary is concerned when Missy misuses religion to help with a batting slump.

Sheldon learns to listen when an emotional Paige struggles with her parents' divorce; George Sr. is furious when Georgie tries to buy his way out of chores.