SHELDON AND AMY SPEND THANKSGIVING AT THE AQUARIUM TOGETHER AS FRIENDS, ON A REBROADCAST OF "THE BIG BANG THEORY," MONDAY, NOV. 28

Editor's note: The air date of this episode has changed.

Business Magnate and Inventor Elon Musk Guest Stars as Himself

"The Platonic Permutation" - Sheldon and Amy try hanging out as friends when they spend Thanksgiving together at the aquarium. Also, Wolowitz reluctantly agrees to volunteer at the soup kitchen with Bernadette, Raj and Emily, and Penny discovers that Leonard knows more about her than she thought, on a rebroadcast of THE BIG BANG THEORY, Monday, Nov. 28 (8:00-8:30 PM, ET/PT) on the CBS Television Network. Business magnate and inventor Elon Musk appears as himself. (Originally broadcast 11/19/15.)

REGULAR CAST:

Johnny Galecki (Leonard)
Jim Parsons (Sheldon)
Kaley Cuoco (Penny)
Simon Helberg (Wolowitz)
Kunal Nayyar (Koothrappali)
Mayim Bialik (Amy)
Melissa Rauch (Bernadette)

RECURRING CAST:

Laura Spencer (Emily)

GUEST CAST:

Elon Musk (Himself)
Wayne Wilderson (Travis)

WRITTEN BY: Jim Reynolds, Jeremy Howe and Tara Hernandez

TELEPLAY BY: Steve Holland, Maria Ferrari and Adam Faberman

DIRECTED BY: Mark Cendrowski