Guest Star :: Wyatt McClure
Wyatt McClure has guest starred in 39 episodes of Young Sheldon.
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102. Rockets, Communists, and the Dewey Decimal System as Billy Sparks
Aired November 2, 2017
After reading the Dale Carnegie book on making friends, Sheldon tries out the technique on Billy Sparks with less than riveting results.
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103. Poker, Faith, and Eggs as Billy Sparks
Aired November 9, 2017
When Billy brings a basket of eggs over for Missy, on whom he has a crush, the family fall ill after eating them.
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111. Demons, Sunday School, and Prime Numbers as Billy Sparks
Aired January 11, 2018
Billy joins Sheldon and Tam to play Dungeon and Dragons, though Billy doesn't really seem to grasp the game.
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117. Jiu-jitsu, Bubble Wrap, and Yoo-hoo as Billy Sparks
Aired April 5, 2018
When Sheldon tasks Missy with sorting out Bobbi Sparks, she and Bobbi instead have tea and put make-up on Billy.
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120. A Dog, a Squirrel, and a Fish Named Fish as Billy Sparks
Aired April 26, 2018
As George and Herschel inspect the hole in the fence that Bucky chewed, Billy wonders if the "fence window" has always been there.
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201. A High-Pitched Buzz and Training Wheels as Billy Sparks
Aired September 24, 2018
When Sheldon hand delivers the Sparks' newspaper, he and Billy chat about their jobs.
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206. Seven Deadly Sins and a Small Carl Sagan as Billy Sparks
Aired October 25, 2018
Billy Sparks joins Sheldon, Missy and Tam as they go trick-or-treating in the neighborhood.
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207. Carbon Dating and a Stuffed Raccoon as Billy Sparks
Aired November 1, 2018
When Billy stops by Meemaw's yard sale, Missy gets to try out her newly acquired skill of haggling.
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210. A Stunted Childhood and a Can of Fancy Mixed Nuts as Billy Sparks
Aired December 6, 2018
Sheldon prank calls Billy to ask if his refrigerator is running.
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213. A Nuclear Reactor and a Boy Called Lovey as Billy Sparks
Aired January 17, 2019
Billy goes to see Sheldon in the Coopers' garage as he attempts to build a nuclear reactor.
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217. Albert Einstein and the Story of Another Mary as Billy Sparks
Aired March 7, 2019
When Billy finds Mary ducking behind a drug store shelf, he wonders whether she's playing hide and seek.
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218. A Perfect Score and a Bunsen Burner Marshmallow as Billy Sparks
Aired April 4, 2019
When Mary stops by with a pie to try patch things up with Brenda, it's not a great time as Billy is bleeding.
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307. Pongo Pygmaeus and a Culture that Encourages Spitting as Billy Sparks
Aired November 14, 2019
Billy is on the same baseball team as Missy.
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309. A Party Invitation, Football Grapes and an Earth Chicken as Billy Sparks
Aired December 5, 2019
Mary is offended when Sheldon isn't invited to Billy Sparks' birthday party.
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310. Teenager Soup and a Little Ball of Fib as Billy Sparks
Aired December 12, 2019
Sheldon visits Billy Sparks in the hopes of catching a cold.
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311. A Live Chicken, a Fried Chicken and Holy Matrimony as Billy Sparks
Aired January 9, 2020
Billy Sparks is concerned that his father wants to kill his chicken.
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312. Body Glitter and a Mall Safety Kit as Billy Sparks
Aired January 16, 2020
Georgie outsources his lawn-mowing chore to Billy.
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313. Contracts, Rules and a Little Bit of Pig Brains as Billy Sparks
Aired January 30, 2020
When Dale takes his baseball team out for pizza, Billy has a novel idea on how to cool his slice down.
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314. A Slump, a Cross and Roadside Gravel as Billy Sparks
Aired February 6, 2020
Billy asks Missy to use her Christian cross to help his baseball game.
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315. A Boyfriend's Ex-Wife and a Good Luck Head Rub as Billy Sparks
Aired February 13, 2020
Dale is alarmed when Meemaw meets his ex-wife, June (guest star Reba McEntire). Meanwhile, Sheldon is upset when Dr. Sturgis assigns a group project in his college class.
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319. A House for Sale and Serious Woman Stuff as Billy Sparks
Aired April 2, 2020
At the baseball game, Coach Dale says Billy Sparks never fails to brighten his day.
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401. Graduation as Billy Sparks
Aired November 5, 2020
As Sheldon prepares to graduate from high school, he starts to question whether he is ready to go to college. Meanwhile, Dale tries to patch things up with Meemaw.
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403. Training Wheels and an Unleashed Chicken as Billy Sparks
Aired November 19, 2020
Billy's chicken gets off its leash and flies at Sheldon as he rides his bicycle.
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404. Bible Camp and a Chariot of Love as Billy Sparks
Aired December 3, 2020
Billy attends the bible camp at the church.
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406. Freshman Orientation and the Inventor of the Zipper as Billy Sparks
Aired January 21, 2021
Billy joins Sheldon and Missy when their mothers take them back-to-school shopping.
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407. A Philosophy Class and Worms That Can Chase You as Billy Sparks
Aired February 11, 2021
Billy joins Sheldon and Missy at Sunday School ahead of the start of the school year.
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408. An Existential Crisis and a Bear That Makes Bubbles as Billy Sparks
Aired February 18, 2021
Sheldon draws a sketch of Billy Sparks as he tries the philosophy of renaissance humanism.
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409. Crappy Frozen Ice Cream and an Organ Grinder's Monkey as Billy Sparks
Aired February 25, 2021
George invites Billy over so Sheldon can talk about science to someone less knowledgeable than he is.
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415. A Virus, Heartbreak and a World of Possibilities as Billy Sparks
Aired 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 Meemaw 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.
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502. Snoopin' Around and the Wonder Twins of Atheism as Billy Sparks
Aired October 14, 2021
Billy meets the new youth pastor when he attends Sunday School at the church.
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505. Stuffed Animals and a Sweet Southern Syzygy as Billy Sparks
Aired November 4, 2021
Billy asks George's permission to ask Missy out.
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506. Money Laundering and a Cascade of Hormones as Billy Sparks
Aired November 11, 2021
Billy attends Pastor Rob's Sunday school.
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509. The Yips and an Oddly Hypnotic Bohemian as Billy Sparks
Aired December 9, 2021
Billy helps George fix the faucet in the Sparks' house.
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511. A Lock-In, a Weather Girl and a Disgusting Habit as Billy Sparks
Aired January 13, 2022
Billy joins Sheldon and Missy at the church's youth lock-in.
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519. A God-Fearin' Baptist and a Hot Trophy Husband as Billy Sparks
Aired April 21, 2022
Sheldon and Missy join Billy for dinner.
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521. White Trash, Holy Rollers and Punching People as Billy Sparks
Aired May 12, 2022
Billy joins Sheldon and Missy at Sunday school as Georgie's situation is the talk of the class.
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604. Blonde Ambition and the Concept of Zero as Billy Sparks
Aired October 20, 2022
Sheldon makes a terrifying mathematical discovery while tutoring Billy. Also, Mary is jealous of Missy's relationship with Mandy and MeeMaw.
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615. Teen Angst and a Smart-Boy Walk of Shame as Billy Sparks
Aired March 9, 2023
Sheldon confronts the failure of his database. Also, Georgie and Mandy struggle as new parents and Missy feels forgotten.
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618. Little Green Men and a Fella's Marriage Proposal as Billy Sparks
Aired April 27, 2023
Sheldon wants to search for life on other planets and Mandy answers Georgie's marriage proposal. Also, Missy is caught between two friends.