Ryan Phuong

Young Sheldon · S1, E13

A Sneeze, Detention, and Sissy Spacek

Sheldon’s germophobia lands him in detention when flu season hits Medford and he takes extreme measures to remain healthy.
Young Sheldon · S2, E6

Seven Deadly Sins and a Small Carl Sagan

Mary clashes with Sheldon’s drama teacher Mr. Lundy (returning guest star JASON ALEXANDER) over plans for a Halloween haunted house fundraiser for the church. Also Georgie falls for a rebellious teenage girl that Sheldon is tutoring.
Young Sheldon · S1, E18

A Mother, a Child, and a Blue Man's Backside

When Mary bans Sheldon from reading a mature comic book Sheldon decides it’s time to stop living under his mother’s thumb.
Young Sheldon · S2, E9

Family Dynamics and a Red Fiero

Sheldon studies his family for a psychology project when their Thanksgiving dinner turns into a family fight after George Sr. is offered a job in Oklahoma.
Young Sheldon · S1, E15

Dolomite, Apple Slices, and a Mystery Woman

Sheldon makes friends with an upperclassman who introduces him to a new field of science while Mary and George Sr. disagree on how to handle Sheldon’s blossoming social life.
Young Sheldon · S2, E1

A High-Pitched Buzz and Training Wheels

In the season premiere episode Sheldon dismantles the refrigerator to stop an annoying hum; and then must get a paper route to pay for the repairs.

Guest Appearances