The Big Bang Theory - Season 4 Episode 17 : The Toast Derivation

The Big Bang Theory
6.8/10 by 3725 users

Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.

Title The Big Bang Theory - Season 4 Episode 17 : The Toast Derivation
Alternative Titles La teoría del Big Bang, The Big Bang Theory, 天才理论传, Suure Paugu teooria, The Big Bang Theory, Agymenok, Hamapats hagadol, תאוריית המפץ הגדול, SONY, Enfejare Bozorg, Didziojo sprogimo teorija, La teoría del Big Bang, Štreberi, Teoria vel'keho tresku, TBBT
First Air Date 2007-09-24
Last Air Date 2019-05-16
Number of Episodes 279
Number of Seasons 12
Genres Comedy,
Networks CBS,
Casts Kaley Cuoco, Johnny Galecki, Jim Parsons, Simon Helberg, Melissa Rauch, Kunal Nayyar, Mayim Bialik
Penny
Penny
Kaley Cuoco
Leonard Hofstadter
Leonard Hofstadter
Johnny Galecki
Sheldon Cooper
Sheldon Cooper
Jim Parsons
Howard Wolowitz
Howard Wolowitz
Simon Helberg
Bernadette Rostenkowski
Bernadette Rostenkowski
Melissa Rauch
Rajesh Koothrappali
Rajesh Koothrappali
Kunal Nayyar
Amy Farrah Fowler
Amy Farrah Fowler
Mayim Bialik
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Episodes List