The Big Bang Theory Season 1 Watch The Big Bang Theory Episodes online

Watch The Big Bang Theory Season 1 episodes online  

View episodes from : Season 1 (17)   |   Season 2 (23)   |   Season 3 (23)   |   Season 4 (24)   |   Season 5 (24)   |   Season 6 (24)   |   Season 7 (24)   |   Season 8 (24)   |   Season 9 (24)   |   Season 10 (24)   |   Season 11 (11)   |  

The Big Bang Theory season 1 episode 1Episode 1: Pilot

Leonard and Sheldon visit a high IQ sperm bank, but have regrets about going, so they leave, only to feel guilty afterwards. When they arrive back at...

Air Date: Sep 24, 2007


The Big Bang Theory season 1 episode 2Episode 2: The Big Bran Hypothesis

A Superman movie marathon is disrupted when Penny asks the guys to sign for a package that may be delivered while she’s gone. But when the guy...

Air Date: Oct 01, 2007


The Big Bang Theory season 1 episode 3Episode 3: The Fuzzy Boots Corollary

The guys are playing a computer game, but are interrupted when they hear Penny laughing across the hall. But Leonard is in for a shocking discovery w...

Air Date: Oct 08, 2007


The Big Bang Theory season 1 episode 4Episode 4: The Luminous Fish Effect

When Sheldon gets fired, he tries to explore life like everyone else sees it. He goes food shopping with Penny, although she is less than happy about...

Air Date: Oct 15, 2007


The Big Bang Theory season 1 episode 5Episode 5: The Hamburger Postulate

Playing with salt and pepper shakers at the Cheesecake Factory, the guys are forced to order or leave, and they decide to order. But Sheldon hasnâ...

Air Date: Oct 22, 2007


The Big Bang Theory season 1 episode 6Episode 6: The Middle-Earth Paradigm

Leonard, Sheldon, Wolowitz and Koothrappali undertake a challenging and risky experiment-attending the Halloween party being thrown by their hot ne...

Air Date: Oct 29, 2007


The Big Bang Theory season 1 episode 7Episode 7: The Dumpling Paradox

Penny asks the guys if she can spend the night in their apartment when a friend of her from Omaha is visiting. Apparently, her friend is a very bad p...

Air Date: Nov 05, 2007


The Big Bang Theory season 1 episode 8Episode 8: The Grasshopper Experiment

Koothrappali is not happy when his parents inform him that they have set up a blind date with a girl he knew from his childhood years. Apparently, th...

Air Date: Nov 12, 2007


The Big Bang Theory season 1 episode 9Episode 9: The Cooper-Hofstadter Polarization

The guys are performing a new scientific experiment, that includes sending a message around the world from their computer and, without using the remot...

Air Date: Mar 17, 2008


The Big Bang Theory season 1 episode 10Episode 10: The Loobenfeld Decay

In the middle of a discussion, Leonard and Sheldon hear Penny’s awful singing, and when they see her coming down the stairs, they try to escape...

Air Date: Mar 24, 2008


The Big Bang Theory season 1 episode 11Episode 11: The Pancake Batter Anomaly

Leonard and Sheldon are playing 3D Chess, but Leonard loses once again. Luckily for him, the conversation is disrupted when Penny comes home from her...

Air Date: Mar 31, 2008


The Big Bang Theory season 1 episode 12Episode 12: The Jerusalem Duality

While having lunch at the lab’s cafeteria, Leonard and Sheldon are introduced to a 15-year-old boy prodigy who happens to be equally as smart a...

Air Date: Apr 14, 2008


The Big Bang Theory season 1 episode 13Episode 13: The Bat Jar Conjecture

Howard receives a mail on his cell phone saying that there is an open spot for a team at a Physics Bowl event coming up and the guys grab the opportun...

Air Date: Apr 21, 2008


The Big Bang Theory season 1 episode 14Episode 14: The Nerdvana Annihilation

Leonard is bidding in an auction for a miniature time machine, but wasn’t expecting to actually get it. When he does so and it is delivered, th...

Air Date: Apr 28, 2008


The Big Bang Theory season 1 episode 15Episode 15: The Pork Chop Indeterminacy

Sheldon gets a visit from his twin sister, Missy, who seems to be a much more interesting person that Sheldon believes she is. Leonard, Howard and Raj...

Air Date: May 05, 2008


The Big Bang Theory season 1 episode 16Episode 16: The Peanut Reaction

Finding out that Leonard has never had a birthday party thrown for him, Penny convinces the guys to create a surprise party. Howard and Raj are in on ...

Air Date: May 12, 2008


The Big Bang Theory season 1 episode 17Episode 17: The Tangerine Factor

When Penny breaks up with her boyfriend after she finds out he has been posting about their sex life on his blog, Leonard gets enough courage to ask h...

Air Date: May 19, 2008