The Big Bang Theory

Series 4 - 17. The Toast Derivation

The Toast Derivation

About this programme

17/24. Sheldon decides to make a new set of friends as he is depressed that the group's social world revolves around Leonard rather than himself. Meanwhile, Amy and Bernadette try to persuade Penny to go on a date. Comedy, guest starring LeVar Burton, with Johnny Galecki, Jim Parsons and Mayim Bialik.

Cast and crew

Cast

Leonard Hofstadter
Johnny Galecki
Penny
Kaley Cuoco
Sheldon Cooper
Jim Parsons
Howard Wolowitz
Simon Helberg
Raj Koothrappali
Kunal Nayyar
Priya Koothrappali
Aarti Mann
Amy Farrah Fowler
Mayim Bialik
Bernadette
Melissa Rauch
Stuart
Kevin Sussman
Himself
LeVar Burton
Zack
Brian Thomas Smith
Barry Kripke
John Ross Bowie

Crew

Director
Mark Cendrowski
Writer
Bill Prady
Writer
Chuck Lorre
Categories
Sitcom

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