The Big Bang Theory Wiki

The fourth season of Young Sheldon premiered on November 5, 2020, and concluded on May 13, 2021.


The daily life of 11-year-old new college student Sheldon.





  • The season was renewed on February 22, 2019, along with the third season.[1]
  • Production on Young Sheldon was paused on Friday, October 9, 2020, after a COVID-19 test result for a production team member came back positive as the season was preparing for its third episode.[2]
    • Out of an abundance of caution, production on Young Sheldon resumed on Monday, October 12, 2020.[3]
    • Unfortunately, less than a month later, production was once again suspended after a COVID-19 test for a production team member came back positive leading to the producers evaluating when the show would resume shooting next week.[4]
    • However, with the mandatory stay at home order in LA county in effect for three weeks it was unlikely they resumed filming.[5]
  • Young Sheldon was previously scheduled to resume production Jan. 11 2021 however on December 31, 2020, Warner Bros. Television had to push the production return date for their series that had been slated to resume filming in Los Angeles next week and the following week to maintain COVID protocols and to allow for a 10-day quarantine of those who had traveled for the holidays per LA County guidelines.[6]
  • This season takes place in late 1991 to 1992.


Filming started on September 22nd, 2020.


Episode (Season/Ep#) Title Original Air Date Directed By Description
401 Graduation November 5, 2020 Jaffar Mahmood 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.
402 A Docent, A Little Lady and a Bouncer Named Dalton November 12, 2020 Alex Reid 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.
403 Training Wheels and an Unleashed Chicken November 19, 2020 Jeremy Howe With college in sight, Sheldon is determined to ride his bike without training wheels. Also, Mary and George Sr. argue over parenting styles.[7]
404 Bible Camp and a Chariot of Love December 3, 2020 Jaffar Mahmood Sheldon finds himself in a fierce competition with Paige (Mckenna Grace) when their mothers force them to attend Vacation Bible School. Also, George is furious after Georgie makes a questionable purchase.
405 A Musty Crypt and a Stick to Pee On December 17, 2020[8] Alex Reid Dale and Meemaw 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
406 Freshman Orientation and the Inventor of the Zipper January 21, 2021 Jaffar Mahmood 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.
407 A Philosophy Class and Worms That Can Chase You February 11, 2021 Alex Reid 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.
408 An Existential Crisis and a Bear That Makes Bubbles February 18, 2021 Alex Reid Meemaw 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.
409 Crappy Frozen Ice Cream and an Organ Grinder's Monkey February 25, 2021 Micheal Judd Sheldon and George Sr. dine with President Hagemeyer 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 Meemaw to attend their son's wedding.
410 Cowboy Aerobics and 473 Grease-Free Bolts March 4, 2021 Melissa Joan Hart Sheldon campaigns to become Dr. Linkletter's lab assistant; Georgie enlists the help of Mr. Lundy, the drama teacher, for a surprising business venture.
411 A Pager, a Club and a Cranky Bag of Wrinkles March 11, 2021 Jaffar Mahmood Dr. Linkletter pushes Sheldon to make friends with his fellow students at college. Also, Georgie gets a pager.
412 A Box of Treasure and the Meemaw of Science April 1, 2021 Alex Reid Sheldon, Dr. Linkletter and Meemaw 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.
413 The Geezer Bus and a New Model for Education April 8, 2021 Melissa Joan Hart Sheldon refuses to ride in a car after getting into an accident with Meemaw. Also, Missy uses their trauma to her advantage at school and Meemaw is forced to take the church shuttle while her car is in the shop.
414 Mitch's Son and the Unconditional Approval of a Government Agency April 15, 2021 Alex Reid 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 Meemaw to join him.
415 A Virus, Heartbreak and a World of Possibilities April 22, 2021 Michael Judd 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.
416 A Second Prodigy and the Hottest Tips for Pouty Lips April 29, 2021 Melissa Joan Hart Sheldon has been recruited by President Hagemeyer to recruit Paige Swanson as another child prodigy for East Texas Tech, and Meemaw and Missy try to convince him that he might have a crush on her. Meanwhile Mary Cooper is considering making some changes in her life, including a new hairstyle.
417 A Black Hole May 6, 2021 Jaffar Mahmood The Coopers discuss the possibilities of black holes and alternate universes when Dr. Sturgis comes over for dinner.
418 The Wild and Woolly World of Nonlinear Dynamics May 13, 2021 Alex Reid Missy's first heartbreak triggers a series of events that lead the Cooper family to the brink.