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- wSerie
- TV Shows
- Young Sheldon
- Season 4
- Episode 18
The Wild and Woolly World of Nonlinear Dynamics
Young Sheldon - S4 - E18
Missy's first heartbreak triggers a series of events that lead the Cooper family to the brink.
Young Sheldon: Season 4 - 18 Episode s
4x1 - Graduation
November 5, 2020
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.
4x2 - A Docent, A Little Lady and a Bouncer Named Dalton
November 12, 2020
Sheldon gets a 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.
4x3 - Training Wheels and an Unleashed Chicken
November 19, 2020
With college in sight, Sheldon is determined to ride his bike without training wheels. Also, Mary and George Sr. argue over parenting styles.
4x4 - Bible Camp and a Chariot of Love
December 3, 2020
When their mothers force them to attend Vacation Bible School. Also, George is furious after Georgie makes a questionable purchase.
4x5 - A Musty Crypt and a Stick to Pee On
December 17, 2020
Dale and Connie work out relationship issues while playing Dungeons and Dragons with Sheldon and Missy. Also, Mary and George take a trip with Coach Wilkins and his wife, and Georgie freaks out when his girlfriend thinks she's pregnant.
4x6 - Freshman Orientation and the Inventor Of The Zipper
January 21, 2021
College orientation does not go as Sheldon planned. Also, Mary is invited to a party when she's mistaken for a university student, and George Sr. helps Pastor Jeff set up a children's nursery.
4x7 - A Philosophy Class and Worms That Can Chase You
February 11, 2021
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.
4x8 - An Existential Crisis and a Bear That Makes Bubbles
February 18, 2021
Connie takes matters into her own hands when Sheldon's philosophy teacher, Professor Ericson, sends him into a tailspin. Also, George Sr. learns Georgie has been cutting class.
4x9 - Crappy Frozen Ice Cream and an Organ Grinder's Monkey
February 25, 2021
Sheldon and George Sr. 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, and Dale and June convince Connie to attend their son's wedding.
4x10 - Cowboy Aerobics and 473 Grease-Free Bolts
March 4, 2021
Sheldon campaigns to become Dr. Linkletter's lab assistant. Also, Georgie enlists the help of Mr. Lundy, the drama teacher, for a surprising business venture.
4x11 - A Pager, a Club and a Cranky Bag of Wrinkles
March 11, 2021
Dr. Linkletter pushes Sheldon to make friends with his fellow students at college. Also, Georgie gets a pager.
4x12 - A Box of Treasure and the Meemaw of Science
April 1, 2021
Sheldon, Dr. Linkletter and Connie team up on a science experiment. Also, Mary is jealous that Pastor Jeff and Brenda are spending time together, and Georgie has a new side hustle.
4x13 - The Geezer Bus and a New Model for Education
April 8, 2021
Sheldon refuses to ride in a car after getting into an accident with Connie. Also, Missy uses their trauma to her advantage at school and Connie is forced to take the church shuttle while her car is in the shop.
4x14 - Mitch's Son and the Unconditional Approval of a Government Agency
April 15, 2021
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.
4x15 - A Virus, Heartbreak and a World of Possibilities
April 22, 2021
Sheldon is caught in a moral dilemma when offered a bootleg copy of a computer game he can't afford. Also, Mary and Connie take Brenda out for girls' night while George Sr. and the guys watch Billy, and Missy asks Georgie to take her and Marcus on a secret date.
4x16 - A Second Prodigy and the Hottest Tips for Pouty Lips
April 29, 2021
Sheldon finds himself at odds with Paige once again when she considers enrolling at East Texas Tech. Also, Mary seeks June's advice when looking for a change.
4x17 - A Black Hole
May 6, 2021
The Coopers discuss the possibilities of black holes and alternate universes when Dr. Sturgis comes over for dinner.
4x18 - The Wild and Woolly World of Nonlinear Dynamics
May 13, 2021
Missy's first heartbreak triggers a series of events that lead the Cooper family to the brink.