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Penny worries that she's screwed things up permanently with her friends, while Sheldon takes command of the paintball team.

A fight between Sheldon and Penny leaves Amy caught in the middle, while Leonard tries to spice up his long-distance relationship with Priya. Free The Big Bang Theory episodes at iwatchbigbangtheory.eu allows you to watch The Big Bang Theory online for free.

Leonard and Amy get to know each other better, while Howard and Bernadette spend the weekend with Mrs. Wolowitz.

Penny plays Matchmaker for Raj, which results in him finding a girl he is comfortable talking to.

Sheldon and Leonard get invited to a party at Wil Wheaton's house, and Howard gets an out-of-this-world opportunity.

Sheldon's mother, Mary, comes to visit and the entire gang loves spending time with her, much to Sheldon's chagrin. He refuses to believe it's jealousy but, when he comes down with the common cold like a "common man", he's gleeful that mommy is there to take care of him and sing him "Soft Kitty. "Sheldon then makes her start over, causing his mother to regret once again that she didn't take Sheldon to a "follow-up" sanity test with a psychiatric specialist in Houston many years ago. Watching The Big Bang Theory online could not be any easier than iwatchbigbangtheory.eu.

A successful Halloween prank from the group enrages Sheldon, who promptly starts working on his revenge. His efforts all end up being fruitless, as Sheldon makes his pranks too obvious to the others by behaving oddly. Leonard reverses his prank on him, while Raj is delighted by the snake Sheldon puts into his desk drawer. He finally seems to have succeeded in tricking Howard with an electric handshake.

Leonard attempts to show her up by talking to a woman at a nearby table as well. However, the young man Penny was speaking to leaves, and she tries to start hanging out with Leonard again. They end up saying some embarrassing things about each other, culminating in Leonard revealing Penny cannot even spell "asthma". When they get home, Penny reveals that she was actually liking Leonard's tougher and more dominating streak

While at the comic book store, Stuart is introduced to Amy, who accompanies the guys and is revealed to be bored by comic books. Stuart immediately develops a crush on her and proceeds to ask Leonard about the current state of Sheldon and Amy's relationship. He then gets Leonard to check if Sheldon is fine with him asking her out. Sheldon depicts the scenario as moot, assuming that a renowned neurobiologist like Amy would never be interested in a guy like Stuart anyway

When Leonard is contacted by a former high school bully through Facebook, he cringes at the memories. The former classmate is going through some rough times and reaches out to Leonard, not realizing that he had made Leonards life hell. Leonard agrees to meet with his former bully and the guys decide to accompany him for support.

Sheldon and Raj attend a university mixer, with Sheldon as Raj's wingman. Sheldon only agrees because Raj bribes him with a Limited Edition Green Lantern lantern, which Sheldon subsequently brings with him to the mixer, in case evil strikes. They meet Abby (Danica McKellar) , who takes a liking to Raj, and her friend Martha (Jen Drohan) , who tries to connect with Sheldon. The Big Bang Theory episodes can be watched online at iwatchbigbangtheory.eu.

When the deranged Professor Rothman is forced to retire, both Sheldon and Kripke vie for his office. President Siebert refuses to resolve the dispute, so Leonard arranges a one-on-one basketball game to decide (since they're both equally bad at sports) . Neither one can even make a single basket, so they end up deciding by seeing who can bounce the ball the highest. Sheldon wins; unfortunately, the office is not what he'd hoped for: there is a hole in the wall This summary has been brought to you by watch The Big Bang Theory online website, iwatchbigbangtheory.eu.

In this interlude 20 and season 05 (E20S05) of the show. Raj's mother and father set him up on a time frame and he believes he's discovered his soul-mate. Meanwhile, Penny purchases Celebrity Travel collectible products for Leonard and Sheldon, but Sheldon starts listening to Spock's speech after he loss one of the products.

In the episode twenty three of the season five (E23S05) from the show "The Big Bang Theory". Howard gets the news about the dates of his next mission on space and that makes him tensed. His wedding dates conflicts with the same. So he is in ecstasy. On the other side, something weird disclosed by Leonard which surprised Penny.

In the episode twenty four of the season five (E24S05) from the show "The Big Bang Theory". The season ends with the plan made by Howard and Bernadette to get married before his NASA campaign. This plan causes the gang to work really hard to stage the wedding. Also, NASA astronaut Mike Massimino perform a cameo as himself. Watching The Big Bang Theory online could not be any easier than iwatchbigbangtheory.eu.