Guest Star :: Jayne Taini
Jayne Taini has guest starred in 1 episode of Young Sheldon.
301. Quirky Eggheads and Texas Snow Globes as Phyllis
Airs September 26, 2019After Dr. Sturgis (Wallace Shawn) experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path. Also, Georgie discovers he has a knack for sales.