A Swedish Science Thing and the Equation for Toast

Sheldon invites the entire school to a party for the Nobel Prize announcements. Also, Connie learns more about Dr. Sturgis' past, and Georgie's desire for cable TV leads to a standoff between him and George Sr.

Christine Baranski

Beverly Hofstadter

Carol Ann Susi

Mrs. Wolowitz (voice)

Ryan Phuong

Tam Nguyen

Pamela Adlon

Mrs. Wolowitz (voice)

Isaac Harger

Eight-Year-Old Leonard

Quinn Aune

Four-Year-Old Penny

Rishabh Prabhat

Nine-Year-Old Koothrapali

Ethan Reed Stern

Nine-Year-Old Howard

Aj Coggeshall

Five-Year-Old Bernadette

Lily Sanfelippo

Eleven-Year-Old Amy

LaNisa Renee Frederick

Cashier

Jack Seavor McDonald

Bag Boy