Guest Star :: Ryan Phuong

 Ryan Phuong has guest starred in 26 episodes of Young Sheldon.

  1. Rockets, Communists, and the Dewey Decimal System

    102. Rockets, Communists, and the Dewey Decimal System as Tam

    Aired November 2, 2017

    When Sheldon goes to the school library to return a self-help book on making friends, he strikes up a conversation with Tam, who is also in to rocketry. On the suggestion of his mother, Sheldon invites Tam to dinner.
  2. A Therapist, a Comic Book, and a Breakfast Sausage

    104. A Therapist, a Comic Book, and a Breakfast Sausage as Tam

    Aired November 16, 2017

    After Sheldon belittles Tam's interest in comic books, he is surprised to see Sheldon at the comic book store.
  3. A Solar Calculator, a Game Ball, and a Cheerleader's Bosom

    105. A Solar Calculator, a Game Ball, and a Cheerleader's Bosom as Tam

    Aired November 23, 2017

    When Sheldon improves the fortunes of the school's football team, his wave of popularity raises Tam's boat as well.
  4. A Patch, a Modem, and a Zantac

    106. A Patch, a Modem, and a Zantac as Tam

    Aired November 30, 2017

    Tam goes to find Sheldon when he doesn't show up for math class.
  5. Spock, Kirk, and Testicular Hernia

    109. Spock, Kirk, and Testicular Hernia as Tam

    Aired December 21, 2017

    After Tam tells Sheldon that Georgie cheated on his math test, Tam is surprised when Sheldon picks up the art of deception.
  6. An Eagle Feather, a String Bean, and an Eskimo

    110. An Eagle Feather, a String Bean, and an Eskimo as Tam

    Aired January 4, 2018

    Tam stoically handles the news that his best friend Sheldon is moving to a school in Dallas.
  7. Demons, Sunday School, and Prime Numbers

    111. Demons, Sunday School, and Prime Numbers as Tam

    Aired January 11, 2018

    During Sheldon's quest to research other religions, he asks Tam about his Catholic faith.
  8. A Sneeze, Detention, and Sissy Spacek

    113. A Sneeze, Detention, and Sissy Spacek as Tam

    Aired February 1, 2018

    After Sheldon's teacher sneezes in class he decides to brave the school's punishment and skip class in a bid to avoid catching the flu. As more and more people appear to be sick, Sheldon's fear of the flu rises and he takes extreme measures to insulate himself from illness.
  9. Potato Salad, a Broomstick, and Dad's Whiskey

    114. Potato Salad, a Broomstick, and Dad's Whiskey as Tam

    Aired March 1, 2018

    After Mary takes a job at the local church, Sheldon and Missy spend their first afternoon home alone. On Mary's first day on the job she finds herself becoming a marriage counselor to Pastor Jeff.
  10. Dolomite, Apple Slices, and a Mystery Woman

    115. Dolomite, Apple Slices, and a Mystery Woman as Tam

    Aired March 8, 2018

    When Sheldon makes friend with an older girl who introduces him to a new field of science, Mary and George are conflicted on how to handle Sheldon's maturing social life.
  11. Jiu-jitsu, Bubble Wrap, and Yoo-hoo

    117. Jiu-jitsu, Bubble Wrap, and Yoo-hoo as Tam

    Aired April 5, 2018

    When Sheldon decides to learn self-defense, he turns to Tam for help learning jui-jitsu.
  12. A Mother, a Child, and a Blue Man's Backside

    118. A Mother, a Child, and a Blue Man's Backside as Tam

    Aired April 12, 2018

    Tam is at the comic book store with Sheldon when Mary storms and confronts the owner about an inappropriate comic book.
  13. A High-Pitched Buzz and Training Wheels

    201. A High-Pitched Buzz and Training Wheels as Tam

    Aired September 24, 2018

    When Sheldon is plagued by an irritating noise coming from the refrigerator, he asks Tam if he knows anything about surviving psychological torture.
  14. A Financial Secret and Fish Sauce

    204. A Financial Secret and Fish Sauce as Tam

    Aired October 11, 2018

    Finding it difficult to keep a secret from his mother, Sheldon decides to get away by having a sleepover at Tam's house.
  15. Seven Deadly Sins and a Small Carl Sagan

    206. Seven Deadly Sins and a Small Carl Sagan as Tam

    Aired October 25, 2018

    Tam joins Sheldon, Missy and Billy as they go trick-or-treating in the neighborhood.
  16. Family Dynamics and a Red Fiero

    209. Family Dynamics and a Red Fiero as Tam

    Aired November 15, 2018

    Tam gives a presentation in the psychology class after observing his mom and dad working in their store over Thanksgiving holiday.
  17. A Stunted Childhood and a Can of Fancy Mixed Nuts

    210. A Stunted Childhood and a Can of Fancy Mixed Nuts as Tam

    Aired December 6, 2018

    Sheldon discusses with Tam an article in Psychology Magazine about a stunted childhood leading to maladjustment later in life.
  18. A Race of Superhumans and a Letter to Alf

    211. A Race of Superhumans and a Letter to Alf as Tam

    Aired January 3, 2019

    As Sheldon plots to create a race of superhumans, he discusses Socrates' thoughts on knowledge with Tam.
  19. A Nuclear Reactor and a Boy Called Lovey

    213. A Nuclear Reactor and a Boy Called Lovey as Tam

    Aired January 17, 2019

    Tam notices that Georgie looks upset in the school hallway.
  20. David, Goliath and a Yoo-hoo from the Back

    214. David, Goliath and a Yoo-hoo from the Back as Tam

    Aired January 31, 2019

    When he Sheldon and examine a fossil in science class, Tam breaks it to pieces.
  21. A Loaf of Bread and a Grand Old Flag

    216. A Loaf of Bread and a Grand Old Flag as Tam

    Aired February 21, 2019

    When Sheldon and Tam eat lunch in the school library, Sheldon detects something wrong with his sandwich.
  22. A Political Campaign and a Candy Land Cheater

    219. A Political Campaign and a Candy Land Cheater as Tam

    Aired April 25, 2019

    When Sheldon gets tired of school funds going to the football program rather than the science department, he decides to run for class president.
  23. A Swedish Science Thing and the Equation for Toast

    222. A Swedish Science Thing and the Equation for Toast as Tam

    Aired May 16, 2019

    Sheldon talks to Tam about which foods to serve at his Nobel Prize ceremony party.
  24. A Broom Closet and Satan's Monopoly Board

    302. A Broom Closet and Satan's Monopoly Board as Tam

    Aired October 3, 2019

    Sheldon regrets telling Tam about his secret study place.
  25. An Entrepreneurialist and a Swat on the Bottom

    303. An Entrepreneurialist and a Swat on the Bottom as Tam

    Aired October 10, 2019

    Tam is puzzled when Sheldon turns to him for advice on a social situation.
  26. Pongo Pygmaeus and a Culture that Encourages Spitting

    307. Pongo Pygmaeus and a Culture that Encourages Spitting as Tam

    Aired November 14, 2019

    Sheldon shows Tam how to get on the Internet and join a Usenet group.
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