The Big Bang Theory Season 1 
The Big Bang Theory - Season 1 Episode 17 - The Tangerine Factor(1)
Penny breaks up with her boyfriend after he posted intimate details about her on his blog. Leonard goes to comfort her and in doing so accidentally convinces her to get back with her boyfriend. As Leonard laments the situation to the guys, Penny returns and screams at Leonard, saying he made things worse. He tries [...]
The Big Bang Theory - Season 1 Episode 16 - The Peanut Reaction
When the boys dine at Penny’s restaurant, she learns Leonard has never had a birthday party, as his parents didn’t believe in celebrating anything but achievements. She decides to throw him a surprise party, and blackmails Sheldon to join her. However when the day of the party arrives, she finds Sheldon did not buy a [...]
The Big Bang Theory - Season 1 Episode 15 - The Porkchop Indeterminacy
The episode is sometimes called The Shiksa Indeterminacy. The guys see an attractive woman in Sheldon’s office and can not believe their eyes. The woman turns out to be his twin sister Missy (Courtney Henggeler), who was in town for a wedding and needed Sheldon to sign some papers for her father’s estate. The boys [...]
The Big Bang Theory - Season 1 Episode 14 - The Nerdvana Annihilation
This episode was originally titled The Nerdmabelia Scattering. Leonard buys a replica time machine from the 1960 film, The Time Machine, online believing it to be a miniature… though it turns out to be full-sized. As the boys move it into the apartment, they accidentally make Penny late for work causing her to lash out [...]
The Big Bang Theory - Season 1 Episode 13 - The Bat Jar Conjecture
The guys decided to compete in a physics bowl after finding out that the previous competitors have dropped out to form a barbershop quartet and got a gig playing Knott’s Berry Farm, but find Sheldon’s showboating too much and kick him off the team, telling him “You’re annoying and no one wants to play with [...]
The Big Bang Theory - Season 1 Episode 12 - The Jerusalem Duality
Sheldon is overcome with I.Q. envy when he meets a smarter 15-year-old science prodigy named Dennis Kim (Austin Lee). Losing faith in his own research, he annoys his circle of friends and colleagues by criticizing their work (prompting them to say “Go away!” whenever he’s around). Deciding his work in physics is useless, he decides [...]
The Big Bang Theory - Season 1 Episode 11 - The Pancake Batter Anomaly
Penny returns from visiting family in Nebraska, and as she picks up her mail from Leonard, she mentions it was a bad trip because ‘everyone got sick’. Sheldon freaks out as according to Leonard ‘he’s a bit of a germaphobe’. Sure enough, Sheldon becomes sick and instantly becomes the biggest pain possible. Leonard and the [...]
The Big Bang Theory - Season 1 Episode 10 - The Loobenfeld Decay
Penny was given a part in Rent, though after hearing her sing “Out Tonight” extremely off-key (”What the hell is that?” “I don’t know, but if cats could sing…they’d hate it too.”) Leonard lies to avoid seeing her performance so he won’t hurt her feelings. Sheldon becomes paranoid that Leonard’s lie was ‘laughably transparent’ and [...]
The Big Bang Theory - Season 1 Episode 9 - The Cooper-Hofstadter Polarization
Cleaning up after an internet experiment, Leonard discovers a letter in the trash can. He and Sheldon had been invited to present some research they had done together at a physics conference. However Sheldon does not believe in such things and says if he won’t go, no one can. Leonard defies him and says he [...]
The Big Bang Theory - Season 1 Episode 8 - The Grasshopper Experiment
Koothrappali is overwhelmed after his parents arrange a blind date with a girl from his childhood, as he can not talk to attractive members of the opposite sex. Penny takes up bar tending for some extra money; and as she practices mixing drinks with the guys they discover that after a few drinks Koothrappali can [...]
The Big Bang Theory - Season 1 Episode 7 - The Dumpling Paradox
Penny’s slutty ‘friend’ Chrissy (Brooke D’Orsay) from Nebraska is in town, and ends up being seduced by Wolowitz. The pair take over her apartment causing her to sleep on Leonard and Sheldon’s couch for the night. With Wolowitz gone, Penny takes his place on their Halo team, causing Sheldon much distress as she is naturally [...]
The Big Bang Theory - Season 1 Episode 6 - The Middle Earth Paradigm
The guys are invited to Penny’s Halloween party, first turning it down as they “don’t dance” but changing their mind when costumes are mentioned. Once at the party, only Wolowitz and Leonard attempt to socialize - with mixed success. Penny’s ex-boyfriend Kurt shows up and humiliates Leonard, causing him to leave. Penny goes to check [...]
The Big Bang Theory - Season 1 Episode 5 - The Hamburger Postulate
While eating at The Cheesecake Factory where Penny works, the guys run into Leslie Winkle (Sara Gilbert), a fellow scientist who works with Leonard (and previously turned him down for a date saying she had no attraction to him). She suggests that Leonard play in her string quartet as they are in need of a [...]
The Big Bang Theory - Season 1 Episode 4 - The Luminous Fish Effect
Sheldon is fired from his job as a physicist at the university when he insults his (in his opinion) less-gifted new boss Dr. Eric Gablehauser (Mark Harelik). His change of circumstance sends him into a downward spiral of depression in which Leonard tries to cure by sending for Sheldon’s mom (Laurie Metcalf). When she arrives [...]
The Big Bang Theory - Season 1 Episode 3 - The Fuzzy Boots Corollary
When Leonard sees Penny kissing a guy in front of her apartment door, he is devastated thinking she has ‘rejected’ him. The guys convince him to ask someone out at work, but when he tries and is brutally turned down by a geeky girl scientist named Leslie Winkle (Sara Gilbert), he is even more depressed. [...]
The Big Bang Theory - Season 1 Episode 2 - The Big Bran Hypothesis
Sheldon and Leonard go over to Penny’s apartment to drop off a package that came for her. Sheldon is deeply disturbed when he sees how messy and disorganized her apartment appears. Later that night, when Leonard is sleeping, Sheldon sneaks into Penny’s apartment to clean and organize it. Leonard catches him and tries to stop [...]
The Big Bang Theory - Season 1 Episode 1 - Pilot
Two brilliant (”a combined IQ of 360″) young physicists, Leonard and Sheldon, are the kind of “beautiful minds” that understand how the universe works. But their PhDs don’t help them interact with people, especially women. All this begins to change when a free-spirited, newly single beauty named Penny moves in next door. When Leonard and [...]