Leonard y Sheldon son dos físicos superdotados que comparten piso. Ambos son capaces de calcular las probabilidades de existencia de vida en otros planetas, pero son incapaces de relacionarse con los demás y especialmente con las chicas. Penny, su nueva vecina, es el polo opuesto a ellos, por lo que su llegada al edificio alterará la tranquila vida sentimental de Leonard y el desorden obsesivo-compulsivo de Sheldon.
Fecha de emisión: 2007-09-24
Duración: 23 min
Sinopsis: 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.
Fecha de emisión: 2007-10-01
Duración: 21 min
Sinopsis: 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.
Fecha de emisión: 2007-10-08
Duración: 22 min
Sinopsis: Leonard asks a woman out after he finds out that Penny is seeing someone.
Fecha de emisión: 2007-10-15
Duración: 21 min
Sinopsis: 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.
Fecha de emisión: 2007-10-22
Duración: 20 min
Sinopsis: Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
Fecha de emisión: 2007-10-29
Duración: 21 min
Sinopsis: Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.
Fecha de emisión: 2007-11-05
Duración: 21 min
Sinopsis: With Wolowitz AWOL with one of her friends, Penny's recruited to fill in for him on the guys' Halo team
Fecha de emisión: 2007-11-12
Duración: 20 min
Sinopsis: 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.
Fecha de emisión: 2008-03-17
Duración: 19 min
Sinopsis: 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.
Fecha de emisión: 2008-03-24
Duración: 21 min
Sinopsis: Leonard and Sheldon each lie to avoid seeing Penny's concert, but Sheldon's is a bit too complicated for his own good.
Fecha de emisión: 2008-03-31
Duración: 22 min
Sinopsis: 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.
Fecha de emisión: 2008-04-14
Duración: 20 min
Sinopsis: 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.
Fecha de emisión: 2008-04-21
Duración: 22 min
Sinopsis: 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.
Fecha de emisión: 2008-04-28
Duración: 20 min
Sinopsis: 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.
Fecha de emisión: 2008-05-05
Duración: 22 min
Sinopsis: 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.
Fecha de emisión: 2008-05-12
Duración: 20 min
Sinopsis: Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.
Fecha de emisión: 2008-05-19
Duración: 20 min
Sinopsis: 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.
