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 2

Season 11, Episode 2: The Retraction Reaction

Leonard angers the university – and the entire physics community – after he gives an embarrassing interview. Also, Amy and Bernadette bond over having to hide their success from Sheldon and Howard....

Air Date: Oct 02, 2017

The Big Bang Theory season 11 episode 3

Season 11, Episode 3: The Relaxation Integration

As Sheldon stresses about picking a wedding date, Amy tries to convince him he has a more laid-back side. Also, Koothrappali and Stuart compete to win the heart of Bernadette's new coworker, Ruchi....

Air Date: Oct 09, 2017

The Big Bang Theory season 11 episode 4

Season 11, Episode 4: The Explosion Implosion

Howard and Sheldon bond when they drive to the desert to shoot off a model rocket. Also, when Leonard's mom, Beverly, finds a new best friend in Penny, it rubs Leonard the wrong way....

Air Date: Oct 16, 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