Loading episode...
The Thespian Catalyst
About This Episode
Hoping it will make him a better teacher, Sheldon has Penny give him acting lessons. Raj has fantasies about a friend's girlfriend.
Series Synopsis
Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
Genres
Episode Details
- Series
- The Big Bang Theory
- Season
- 4
- Episode
- 14
- Series Rating
- 7.9/10
- Total Seasons
- 12
Auto-play
More Episodes from Season 4
The Robotic Manipulation
Penny tags along on Sheldon's first ever date; Wolowitz finds a new use for a robotic arm.
The Cruciferous Vegetable Amplification
Realizing he will not live long enough to download his consciousness into a robot body, Sheldon trie...
The Zazzy Substitution
The guys are concerned as Sheldon searches for an alternative to human companionship.
The Hot Troll Deviation
An embarrassing secret of Wolowitz's comes to light, while Sheldon and Raj have a small war at work.
The Desperation Emanation
Leonard realizes he’s the only one without a girlfriend, while Sheldon wants to get rid of his.
The Apology Insufficiency
Sheldon's answers during an FBI interview put Wolowitz's security clearance in jeopardy.
The 21-Second Excitation
While the guys camp in line for a long-awaited movie screening, Penny and Bernadette invite Amy to h...
The Boyfriend Complexity
Penny asks Leonard to lie to her father, while Howard, Raj and Bernadette pull an all-nighter at a t...
The Alien Parasite Hypothesis
Amy finds she has sexual feelings for Penny's ex, while Koothrappali and Wolowitz try to prove who w...
The Justice League Recombination
The guys find a "super" use for Penny's new boyfriend, Zack, when they enter a costume contest as th...
The Bus Pants Utilization
Leonard's idea for a smartphone app derails his friendship with Sheldon.
The Love Car Displacement
Bernadette runs into her ex-boyfriend while attending a science event with Wolowitz.
The Benefactor Factor
A wealthy donor to the university makes Leonard consider how far he's willing to go for the sake of ...
The Cohabitation Formulation
As Wolowitz contemplates taking things with Bernadette to the next level, Leonard rekindles his rela...
The Toast Derivation
Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard...
The Prestidigitation Approximation
Sheldon is baffled by Wolowitz's magic trick. Meanwhile, Leonard realizes dating Priya may make it i...
The Zarnecki Incursion
Sheldon's online-game account is hacked by Todd Zarnecki, who then proceeds to steal all his items p...
The Herb Garden Germination
Sheldon and Amy decide to start several rumors about the others as a test. Meanwhile, Howard takes h...
The Agreement Dissection
When Leonard spends too much time in the shower with Priya, Sheldon charges Leonard with two violati...
The Wildebeest Implementation
Raj attempts to cure his social anxiety disorder while Penny uses Bernadette to spy on Leonard and h...
The Engagement Reaction
When Howard finally breaks the news to his mom that he's engaged to Bernadette, it lands her in the ...
