The BEST episodes of The Big Bang Theory season 1
Every episode of The Big Bang Theory season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of The Big Bang Theory season 1!
A woman who moves into an apartment across the hall from two brilliant but socially awkward physicists shows them how little they know about life outside of the laboratory.
#1 - The Tangerine Factor
Season 1 - Episode 17 - Aired 5/19/2008
Penny's break-up spurs Leonard to summon up the courage to ask her out, and each head to Sheldon for advice on their upcoming date.
#2 - Pilot
Season 1 - Episode 1 - Aired 9/24/2007
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.
#3 - The Big Bran Hypothesis
Season 1 - Episode 2 - Aired 10/1/2007
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.
#4 - The Middle Earth Paradigm
Season 1 - Episode 6 - Aired 10/29/2007
Penny hosts a Halloween party, that ends up putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
#5 - The Dumpling Paradox
Season 1 - Episode 7 - Aired 11/5/2007
When Wolowitz seduces one of Penny's friend who then takes over her apartment, Penny sleeps on Leonard and Sheldon's couch. Meanwhile, Penny is recruited to fill in for Howard on the guys' Halo team.
#6 - The Grasshopper Experiment
Season 1 - Episode 8 - Aired 11/12/2007
Raj's parents set him up on a blind date, but just when he discovers he can talk to his date, she shows interest in Sheldon.
#7 - The Pork Chop Indeterminacy
Season 1 - Episode 15 - Aired 5/5/2008
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.
#8 - The Nerdvana Annihilation
Season 1 - Episode 14 - Aired 4/28/2008
When the guys buy a time machine prop from a classic 1960 movie, Penny lashes out at Leonard and he decides it's time to give up his habit, much to his friends' protestation.
#9 - The Peanut Reaction
Season 1 - Episode 16 - Aired 5/12/2008
Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track. Meanwhile, Howard makes a terrible sacrifice for the sake of the surprise.
#10 - The Bat Jar Conjecture
Season 1 - Episode 13 - Aired 4/21/2008
Sheldon finds himself booted from the gang's Physics Bowl team and replaced by Leslie Winkle, so he forms his own team, hoping to prove he's superior.
#11 - The Luminous Fish Effect
Season 1 - Episode 4 - Aired 10/15/2007
When Sheldon gets fired and decides to explore life beyond physics, it's up to Leonard to take drastic action to snap his friend out of his funk.
#12 - The Hamburger Postulate
Season 1 - Episode 5 - Aired 10/22/2007
Fearing he's wasting his time on Penny, Leonard ends up making a connection with colleague Leslie Winkle.
#13 - The Cooper-Hofstadter Polarization
Season 1 - Episode 9 - Aired 3/17/2008
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.
#14 - The Loobenfeld Decay
Season 1 - Episode 10 - Aired 3/24/2008
Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's lie is a bit too complicated for his own good.
#15 - The Pancake Batter Anomaly
Season 1 - Episode 11 - Aired 3/31/2008
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.
#16 - The Jerusalem Duality
Season 1 - Episode 12 - Aired 4/14/2008
When Sheldon meets a 15-year-old physicist prodigy, he's rattled and threatened and Leonard tries to help him look for ways to debunk his research.
#17 - The Fuzzy Boots Corollary
Season 1 - Episode 3 - Aired 10/8/2007
When Leonard learns Penny is seeing someone, he decided to asks a nerdy female co-worker out on a date.
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