Five Nights a Week

The Big Bang Theory

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The Big Bang Theory
S4 | E12 The Bus Pants Utilization 20 min • Expires today
S4 | E12 The Big Bang Theory 20 min • Expires December 11
Their friendship becomes strained when Sheldon tries to take over Leonard's creation of a smartphone application that solves differential equations. ..More
The Big Bang Theory
S4 | E13 The Love Car Displacement 20 min • Expires today
S4 | E13 The Big Bang Theory 20 min • Expires December 11
Howard is jealous when Bernadette runs into her old boyfriend at a science event they're attending. ..More
The Big Bang Theory
S4 | E14 The Thespian Catalyst 20 min • Expires today
S4 | E14 The Big Bang Theory 20 min • Expires December 11
Sheldon wants acting lessons from Penny, hoping they will make him a better teacher. ..More
The Big Bang Theory
S4 | E15 The Benefactor Factor 19 min • Expires today
S4 | E15 The Big Bang Theory 19 min • Expires December 12
After meeting at a fundraising gala, an aged but wealthy, Caltech donor makes Leonard ponder if he's willing to have sex with her to secure another donation. ..More
The Big Bang Theory
S4 | E16 The Cohabitation Formulation 20 min • Expires today
S4 | E16 The Big Bang Theory 20 min • Expires December 12
Howard contemplates a serious decision in his relationship with Bernadette; and Leonard and Raj's sister start seeing each other again. ..More
The Big Bang Theory
S4 | E17 The Toast Derivation 20 min • Expires today
S4 | E17 The Big Bang Theory 20 min • Expires December 12
Sheldon is in a crisis when he realizes he's not the epicenter of the group, so he decides to find new friends. ..More
The Big Bang Theory
S5 | E5 The Russian Rocket Reaction 20 min • Expires in 4 days
S5 | E5 The Big Bang Theory 20 min • Expires December 16
Sheldon and Leonard get invited to a housewarming party at WIL WHEATON's house; while Howard gets an out-of-this-world opportunity! ..More
The Big Bang Theory
S5 | E6 The Rhinitis Revelation 20 min • Expires in 4 days
S5 | E6 The Big Bang Theory 20 min • Expires December 16
Sheldon craves attention from his visiting mother. ..More
The Big Bang Theory
S5 | E8 The Isolation Permutation 20 min • Expires in 4 days
S5 | E8 The Big Bang Theory 20 min • Expires December 16
Bernadette & Penny shop for wedding dresses...without Amy. ..More
The Big Bang Theory
S5 | E9 The Ornithophobia Diffusion 20 min • Expires in 4 days
S5 | E9 The Big Bang Theory 20 min • Expires December 16
Sheldon must overcome his fear of birds. ..More
The Big Bang Theory
S5 | E11 The Speckerman Recurrance 19 min • Expires in 4 days
S5 | E11 The Big Bang Theory 19 min • Expires December 16
Leonard comes face-to-face with his high school bully. ..More
The Big Bang Theory
S5 | E12 The Shiny Trinket Maneuver 20 min • Expires in 5 days
S5 | E12 The Big Bang Theory 20 min • Expires December 17
Sheldon gets in trouble with Amy, and it's up to Penny to teach him how to be a better boyfriend. Howard, meanwhile, must come to grips with Bernadette's dislike of children. ..More
The Big Bang Theory
S5 | E13 The Recombination Hypothesis 20 min • Expires in 5 days
S5 | E13 The Big Bang Theory 20 min • Expires December 17
Everything might change when Leonard offers Penny a spur of the moment invitation to a romantic dinner for two on the 100th episode of the series. ..More
The Big Bang Theory
S5 | E14 The Beta Test Initiation 20 min • Expires in 5 days
S5 | E14 The Big Bang Theory 20 min • Expires December 17
Leonard and Penny "beta test" their relationship. ..More
The Big Bang Theory
S5 | E15 The Friendship Contraction 20 min • Expires in 5 days
S5 | E15 The Big Bang Theory 20 min • Expires December 17
Sheldon's selfish demands force Leonard to reconsider their friendship. Meanwhile, Howard tries to pick his astronaut nickname. NASA astronaut MIKE MASSIMINO guest stars. ..More

ABOUT

Leonard and Sheldon are brilliant physicists, the kind of ''beautiful minds'' that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.