Five Nights a Week

The Big Bang Theory

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The Big Bang Theory
S5 | E5 The Russian Rocket Reaction 20 min • Expires in 3 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 3 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 3 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 3 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 3 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 4 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 4 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 4 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 4 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
The Big Bang Theory
S5 | E16 The Vacation Solution 20 min • Expires in 5 days
S5 | E16 The Big Bang Theory 20 min • Expires December 18
When Sheldon is forced to take a vacation by the university, he goes to work with Amy in her neurobiology lab. ..More
The Big Bang Theory
S5 | E17 The Rothman Disintegration 20 min • Expires in 5 days
S5 | E17 The Big Bang Theory 20 min • Expires December 18
When a corner office at the University opens up, Sheldon must compete for it with his office nemesis, Barry Kripke. Meanwhile, Penny receives an unusual gift from Amy. ..More
The Big Bang Theory
S5 | E18 The Werewolf Transformation 20 min • Expires in 5 days
S5 | E18 The Big Bang Theory 20 min • Expires December 18
A change in Sheldon's routine forces him to re-evaluate his entire life, when his barber is sick. Meanwhile, Howard rethinks his decision to go into space after astronaut training. ..More
The Big Bang Theory
S5 | E19 The Weekend Vortex 20 min • Expires in 6 days
S5 | E19 The Big Bang Theory 20 min • Expires December 19
Sheldon chooses to participate in a guys-only weekend Star Wars gaming marathon rather than go with Amy to her aunt's birthday party... and gets a lesson from Penny and Amy. ..More
The Big Bang Theory
S5 | E20 The Transporter Malfunction 20 min • Expires in 6 days
S5 | E20 The Big Bang Theory 20 min • Expires December 19
It's a dream come true for Sheldon when he has a close encounter with his hero, Mr. Spock -- legendary sci-fi icon LEONARD NIMOY. ..More
The Big Bang Theory
S5 | E21 The Hawking Excitation 19 min • Expires in 6 days
S5 | E21 The Big Bang Theory 19 min • Expires December 19
Sheldon has a chance to meet his hero, STEPHEN HAWKING. ..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.