: While tutoring Billy, Sheldon is stumped when Billy asks what zero actually is. This leads Sheldon into an existential crisis about whether zero truly exists or is just a "matter of faith," eventually concluding that the universe emerged from nothingness (zero).
: Seeking a new identity and a mentor in Mandy, Missy decides to dye her hair blonde. She hides her "hair-raising makeover" from her parents by wearing a monkey cap at school. Young Sheldon Season 6 - Episode 4
: Includes Wallace Shawn (Dr. Sturgis), Ed Begley Jr. (Dr. Linkletter), Melissa Peterman (Brenda Sparks), and Wyatt McClure (Billy Sparks). : While tutoring Billy, Sheldon is stumped when