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The Big Bang Theory: S4 E17
The Toast Derivation
Sheldon becomes concerned when everybody begins to hang out at Raj’s apartment and discovers Leonard is the center of the group.
S4 - E1The Robotic Manipulation Sep. 23, 2010
S4 - E2The Cruciferous Vegetable Amplification Sep. 30, 2010
S4 - E3The Zazzy Substitution Oct. 07, 2010
S4 - E4The Hot Troll Deviation Oct. 14, 2010
S4 - E5The Desperation Emanation Oct. 21, 2010
S4 - E6The Irish Pub Formulation Oct. 28, 2010
S4 - E7The Apology Insufficiency Nov. 04, 2010
S4 - E8The 21-second Excitation Nov. 11, 2010
S4 - E9The Boyfriend Complexity Nov. 18, 2010
S4 - E10The Alien Parasite Hypothesis Dec. 09, 2010
S4 - E11The Justice League Recombination Dec. 16, 2010
S4 - E12The Bus Pants Utilization Jan. 06, 2011
S4 - E13The Love Car Displacement Jan. 20, 2011
S4 - E14The Thespian Catalyst Feb. 03, 2011
S4 - E15The Benefactor Factor Feb. 10, 2011
S4 - E16The Cohabitation Formulation Feb. 17, 2011
S4 - E17The Toast Derivation Feb. 24, 2011
S4 - E18The Prestidigitation Approximation Mar. 10, 2011
S4 - E19The Zarnecki Incursion Mar. 31, 2011
S4 - E20The Herb Garden Germination Apr. 07, 2011
S4 - E21The Agreement Dissection Apr. 28, 2011
S4 - E22The Wildebeest Implementation May. 05, 2011
S4 - E23The Engagement Reaction May. 12, 2011
S4 - E24The Roommate Transmogrification May. 19, 2011