“The Big Bang Theory” The Planetarium Collision 125

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...

“The Big Bang Theory” The Tam Turbulence 124

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....

“The Big Bang Theory” The Valentino Submergence 915

915 The Valentino Submergence Sheldon and Amy host a special live Valentine's Day episode of their internet show Fun with Flags. Raj is torn between...

“The Big Bang Theory” The Line Substitution Solution 923

923 The Line Substitution Solution When Sheldon decides he'd rather go to a movie screening than hang out with Amy, he hires Stuart to spend...

“The Big Bang Theory” The Earworm Reverberation 910

910 The Earworm Reverberation God only knows what song is constantly playing in Sheldon's head, but it reminds him of Amy and leads to a...

“The Big Bang Theory” The Sales Call Sublimation 912

912 The Sales Call Sublimation Penny gets more than she bargained for when Leonard meets a psychiatrist on her behalf, to help her make a...

“The Big Bang Theory” The Celebration Experimentation 917

917 The Celebration Experimentation Sheldon and the gang celebrate his birthday and he's surprised by a special guest., Sheldon and the gang celebrate his birthday...