E1
Sep 24, 2007
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.
E2
The Big Bran Hypothesis
21m Oct 1, 2007
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.
E3
The Fuzzy Boots Corollary
22m Oct 8, 2007
Leonard asks a woman out after he finds out that Penny is seeing someone.
E4
The Luminous Fish Effect
21m Oct 15, 2007
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.
E5
The Hamburger Postulate
20m Oct 22, 2007
Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
E6
The Middle-Earth Paradigm
21m Oct 29, 2007
Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
E7
Nov 5, 2007
With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team
E8
The Grasshopper Experiment
20m Nov 12, 2007
Raj's parents set him up on a blind date, but just when he discovers he can talk to her, she shows interest in Sheldon.
E9
The Cooper-Hofstadter Polarization
19m Mar 17, 2008
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.
E10
Mar 24, 2008
Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.
E11
The Pancake Batter Anomaly
22m Mar 31, 2008
With his friends knowing how sour he acts when sick—and avoiding him as a result—Sheldon is nursed by Penny, who hasn't a clue what she's in for.
E12
Apr 14, 2008
With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.
E13
The Bat Jar Conjecture
22m Apr 21, 2008
Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team, hoping to prove he's superior.
E14
The Nerdvana Annihilation
20m Apr 28, 2008
When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.
E15
The Pork Chop Indeterminacy
22m May 5, 2008
The rest of the gang fall for Sheldon's twin sister, and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.
E16
May 12, 2008
Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.
E17
May 19, 2008
Penny's break-up spurs Leonard to summon the courage to ask her out, and each goes to Sheldon for advice on their upcoming date.
