“No. I came in here because… that number is wrong.”

A major highlight of this episode is the guest appearance of , who previously appeared in the Young Sheldon universe in a different capacity, making this a fun "meta" moment for long-time fans on Reddit . Iain Armitage Sheldon Cooper Annie Potts Connie "Meemaw" Tucker Octavia Spencer Officer Rhonda Thomason (Guest) Montana Jordan Georgie Cooper Emily Osment Mandy McAllister Zoe Perry Mary Cooper Lance Barber George Cooper Sr. Technical Note: What does "BD9" mean?

George blinked. “Son. You want to explain the headwear?”

Sheldon considered this. Then he did something unprecedented: he pushed his lucky nickel across the table.

Sheldon padded in, still wearing the tiara.