Penny’s criticism of Wolowitz’s romantic life pushes him into depression and AWOL for a fighting robot battle the rest of guys are depending on him for.

Sheldon creates a scientific procedure for making friends.

Penny starts dating Leonard’s handsome colleague; Leonard and his friends are tortured by Sheldon’s obsession with gift-giving etiquette.

Leonard asks Penny for advice when his new relationship starts moving too fast.

Sheldon is thrilled when Leonard starts dating a woman who meets Sheldon’s stringent standards.

Leonard inadvertently steals away the new woman Wolowitz thinks is the love of his life.

When Sheldon bans Penny from the apartment for numerous minor infractions, she decides to retaliate.

Leonard and his friends stage an intervention to force Sheldon to face his fear of driving.

Raj gets an inflated ego and makes a play for Penny after being referenced in a magazine article.

Sheldon and the gang are confused when a young grad student is attracted to him.

A jealous Leonard reacts to Penny’s new guy by rebounding with Leslie.

Penny’s first date with Leonard goes awry; Penny finds Sheldon to be an unwilling confidant.

Sheldon creates a monster when he introduces Penny to online gaming.

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.

Penny wants to throw a surprise party for Leonard, but Sheldon’s indulgence at an electronics store throws her off-track.

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…

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.

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.

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.

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.

Leonard and Sheldon each lie to avoid seeing Penny’s concert, but Sheldon’s is a bit too complicated for his own good.

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.

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.

With Wolowitz AWOL with one of her friends, Penny’s recruited to fill in for him on the guys’ Halo team

Penny hosts a Halloween party, putting Leonard, Sheldon, Wolowitz, and Koothrappali through a new test of their social skills.

Fearing he’s wasting his time on Penny, Leonard ends up making a connection with Leslie.

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…

Leonard asks a woman out after he finds out that Penny is seeing someone.

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.

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.

The sitcom is centered on five characters living in Pasadena, California: roommates Leonard Hofstadter and Sheldon Cooper; Penny, a waitress and aspiring actress who lives across the hall; and Leonard…

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. Also, Denise and Stuart overstay their…

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. Also, Denise and Stuart overstay their…

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. Also, Denise and Stuart overstay their…

Ali Silver searches for Mr. Right but finds misadventures that are darkly outrageous and sexy with an assortment of ne’er-do-wells who are inappropriate, unobtainable or unmanageable. Looking for Mr. Goodbar…

A man tries that his wife fall in love with him again, after to wake up in an alternate reality where she never knew him.

When a nature photographer explains to the Police how she fought her way out of the Watchatoomy Valley, they dismiss her crazed and violent story as a meth-induced nightmare. But…

Hiding out with his son Taylor on the Mexican coast, Nero hopes to put his violent Special Forces career behind him. But after Nero’s home is attacked and Taylor is…

The dark secrets of Holly’s seemingly perfect life are exposed when an unwanted intruder spins her life out of control forever.

After losing his wife and memory in a car accident, a single father undergoes an experimental treatment that makes him question who he really is.