97
The Spock Resonance
Sheldon's interview for a "Star Trek" documentary focusing on Spock turns up a shocking revelation about his breakup with Amy. Meanwhile,...
125
The Planetarium Collision
Amy doesn't have time to work on super-asymmetry, so Sheldon goes to great lengths to ensure she's available to work with...
124
The Tam Turbulence
Sheldon won't tell anyone why he's never mentioned Tam, his childhood best friend, so Leonard takes matters into his own hands....
123
The Procreation Calculation
The Wolowitzes' life gets complicated when Stuart starts bringing his new girlfriend home. Also, Penny and Leonard talk about starting a...
1217
The Conference Valuation
Penny and Bernadette go to San Diego for a pharmaceutical sales convention, leaving Wolowitz in charge of the kids. Also, Sheldon...
126
The Imitation Perturbation
When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party. Also, Leonard is shocked...
127
The Grant Allocation Derivation
Leonard is caught between a rock and a hard place when he's responsible for distributing extra grant money. Also, Bernadette...