Katherine Von Till
Young Sheldon Season 4 Episode 1
After graduating high school, Sheldon has a breakdown when he realizes he may not be ready for college. Dale tries to make amends with Meemaw.
Young Sheldon Season 3 Episode 18
The Big Bang Theory Season 8 Episode 22
Wolowitz questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his…