Watch The Big Bang Theory Online

A comedy series about 4 young scientists who know all about the world of physics, and 1 girl, who gives the physics world a real spin. Leonard Hofstadter is a smart guy who tries his best to complete his research and become famous for his work while also attempting to be the most socially-interacting guy in their friend group. Stars Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Sara Gilbert, Melissa Rauch and Mayim Bialik.

Premiere Date: Sep/24/2007

Genre: Comedy

Most Recent Episodes

The Big Bang Theory season 11 episode 9

Season 11, Episode 9: The Bitcoin Entanglement

Sheldon tries to teach the guys a lesson after they cut him out of a potentially valuable Bitcoin investment. Also, a seven-year-old video reveals a secret about Leonard and Penny's relationship....

Air Date: Nov 30, 2017

The Big Bang Theory season 11 episode 10

Season 11, Episode 10: The Confidence Erosion

Sheldon and Amy try to eliminate stress from wedding planning by applying math to the process. Also, Koothrappali "breaks up" with Wolowitz after realizing his best friend is actually hurting his confidence....

Air Date: Dec 07, 2017

The Big Bang Theory season 11 episode 11

Season 11, Episode 11: The Celebration Reverberation

Sheldon and Wolowitz plan birthday celebrations for Amy and Halley, respectively. Also, Leonard receives a Christmas letter from his brother that causes him to spiral out about his own lack of accomplishments....

Air Date: Dec 14, 2017

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Series Promo / Trailer

 

The Big Bang Theory Casts

Johnny Galecki

Johnny Galecki

Leonard Leakey Hofstadter

Jim Parsons

 Jim Parsons

Sheldon Lee Cooper

Simon Helberg

 Simon Helberg

Howard Joel Wolowitz

Kunal Nayyar

 Kunal Nayyar

Rajesh Ramayan Koothrappali

Kaley Cuoco

 Kaley Cuoco

Penny

Melissa Rauch

 Melissa Rauch

Bernadette Marianne Rostenkowski

Mayim Bialik

 Mayim Bialik

Amy Farrah Fowler

Kevin Sussman

 Kevin Sussman

Stuart Bloom

Laura Spencer

 Laura Spencer

Emily Sweeney

Sara Gilbert

 Sara Gilbert

Leslie Winkle