Available Episodes

The Big Bang Theory
S1 | E1 Pilot 19 min Expires in 2 days
S1 | E1 The Big Bang Theory 19 min Expires May 16
Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living. ..More
The Big Bang Theory
S1 | E2 The Big Bran Hypothesis 20 min Expires in 2 days
S1 | E2 The Big Bang Theory 20 min Expires May 16
Leonard volunteers to sign for a package in an attempt to make a good impression on Penny, but when he enlists Sheldon for help, his attempt at chivalry goes terribly awry. ..More
The Big Bang Theory
S1 | E3 The Fuzzy Boots Corollary 20 min Expires in 2 days
S1 | E3 The Big Bang Theory 20 min Expires May 16
Leonard asks a work colleague out after he finds out Penny is seeing someone. ..More
The Big Bang Theory
S1 | E4 The Luminous Fish Effect 20 min Expires in 2 days
S1 | E4 The Big Bang Theory 20 min Expires May 16
Sheldon's getting fired forces him to explore what life has to offer outside physics, leaving Leonard to take drastic action to snap his friend out of his funk. ..More
The Big Bang Theory
S1 | E5 The Hamburger Postulate 19 min Expires in 2 days
S1 | E5 The Big Bang Theory 19 min Expires May 16
Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie. Meanwhile, Sheldon frets over a change to his hamburger routine. ..More
The Big Bang Theory
S1 | E6 The Middle Earth Paradigm 20 min Expires in 2 days
S1 | E6 The Big Bang Theory 20 min Expires May 16
Penny hosts a Halloween party putting Leonard, Sheldon, Wolowitz and Koothrappali through a new test of their social skills. ..More
The Big Bang Theory
S1 | E7 The Dumpling Paradox 20 min Expires in 2 days
S1 | E7 The Big Bang Theory 20 min Expires May 16
With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team. ..More
The Big Bang Theory
S1 | E8 The Grasshopper Experiment 19 min Expires in 2 days
S1 | E8 The Big Bang Theory 19 min Expires May 16
Raj's parents set him up on a blind date, and when he discovers he can talk to her, she shows interest in Sheldon. ..More
The Big Bang Theory
S1 | E9 The Cooper-Hofstadter Polarization 19 min Expires in 2 days
S1 | E9 The Big Bang Theory 19 min Expires May 16
When they're invited to present at a physics conference, Sheldon's reluctance to share the credit leads to a tiff between him and Leonard, and Penny's intervention only exacerbates the situation. ..More
The Big Bang Theory
S1 | E10 The Loobenfeld Decay 20 min Expires in 2 days
S1 | E10 The Big Bang Theory 20 min Expires May 16
Leonard and Sheldon each lie to avoid hearing Penny sing in a production of Rent. However, Sheldon's lie becomes a bit too complicated for its own good. ..More
The Big Bang Theory
S12 | E20 The Decision Reverberation 18 min Expires in 2 days
S12 | E20 The Big Bang Theory 18 min Expires May 16
Raj is worried people won't take him seriously in his own field after publishing a paper that suggests he may have discovered alien life. Leonard wants to be the principal investigator on a plasma physics study. ..More
The Big Bang Theory
S12 | E21 The Plagiarism Schism 19 min Expires in 2 days
S12 | E21 The Big Bang Theory 19 min Expires May 16
Kripke has proof that Dr. Pemberton plagiarized his thesis, and Sheldon and Amy aren't sure they should turn him in or not. Howard is surprised to learn that Bernie wasn't the only waitress at the Cheesecake Factory who had a crush on him. ..More
The Big Bang Theory
S12 | E22 The Maternal Conclusion 20 min Expires in 2 days
S12 | E22 The Big Bang Theory 20 min Expires May 16
Leonard is pleasantly surprised when Beverly comes to visit and she's genuinely kind to him, until he finds out the real reason she's there. Denise and Stuart overstay their welcome at the Wolowitz house. ..More
The Big Bang Theory
S12 | E23 The Change Constant 19 min Expires in 2 days
S12 | E23 The Big Bang Theory 19 min Expires May 16
Amy and Sheldon wait for the news. Howard and Bernadette leave their kids. Leonard and Penny keep a secret. ..More
The Big Bang Theory
S12 | E24 The Stockholm Syndrome 20 min Expires in 2 days
S12 | E24 The Big Bang Theory 20 min Expires May 16
In the series finale, Bernadette and Howard leave their kids for the first time; Penny and Leonard try to keep a secret; Sheldon and Amy stick together; and Raj makes a new friend, as the gang travels together into an uncharted future. ..More