Guest Star :: Phil Morrison

 Phil Morrison has guest starred in 1 episode of Young Sheldon.

1. 

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

   Aired January 11, 2018

   When Mary finds Sheldon playing Dungeons and Dragons with his friends Tam and Billy, she is worried by the game's demonic mythology. In a bid to save her son from the devil, Mary sends Sheldon to Sunday school and sparks an interest in religion.