This season is started broadcasting in 2018 and it consists of 24 episodes. Later that night, Howard and Leonard go to Raj's apartment for Halo night and find Elizabeth trying to seduce Raj. The Big Bang Theory's third season contained twenty-three episodes aired between September 21, 2009 and May 24, 2010. When Penny questions Leonard's responsibility for the experiment that resulted in the destroyed elevator, he asks her what she was doing at the time, and she responds that she was studying, behaving well and doing charity work, when in reality she was jubilantly celebrating with her boyfriend after her pregnancy test came back negative. It received higher ratings than the previous two seasons with over 15 million viewers. Sheldon sneaks into Leonard's room where Penny is sleeping and tries to steal the ring, but she wakes up and punches Sheldon. When Penny invites her guitarist ex-boyfriend Justin over to sleep on her couch, Leonard becomes upset.
Sheldon continues to maintain contact with Penny and goes over for a spaghetti dinner at her apartment. Leonard and Penny go on a double-date with Howard and Bernadette, but when Penny reveals that she has taken career advice from a psychic, Leonard laughs, infuriating her. This turns out to be a prop made for The Lord of the Rings film trilogy, with high value to collectors, and the four promptly argue over who gets to keep it. As a last-ditch solution, Penny offers Sheldon alcohol. Meanwhile, Sheldon enters a collectible card game tournament after he hears that Wil Wheaton, for whom he harbors a deep resentment for missing a 1995 Sci-Fi convention, is also participating.
After prodding by Leonard, a reluctant Penny sets Howard with her friend Bernadette, though they find they have little in common. Leonard is told about his parents' pending divorce, his mother's surgery, and the death of his dog, all of which Sheldon had known for weeks. After Penny punches Sheldon on the nose, fights and deceptions ensue as the four try various means to prevent the others from possessing it, as Penny observes in disbelief. Extreme folks they are not but rather they assist by bringing some furniture upstairs for her, utilizing math to facilitate the stacking. At a bowling match with Stuart and others, including Sheldon's rival , the two question their future together, but Wheaton may also be interfering.
Leonard removes himself from contention when Penny shows him the contents of a bag she got from Victoria's Secret. After their third date, Bernadette asks Howard where their relationship is going. Howard proposes to Bernadette at The Cheesecake Factory, but gets rejected. When Sheldon wakes up the next morning, unaware of the events which happened the previous night, he sees his humiliating speech uploaded on YouTube. It is later revealed that Sheldon caught it from Penny when he hugged her. Meanwhile, Howard and Raj reveal to Sheldon that they and Leonard tampered with his experiment on magnetic monopoles by using an electric can opener. In the third season finale, Sheldon reluctantly goes on a blind date after Howard threatens him with a dirty sock.
He later becomes bored and leaves at half-time to fly kites with Sheldon. Penny invites her friends over to her apartment to watch the Nebraska Cornhuskers football game that Saturday, but does not invite Leonard as he is not a football fan. He then proceeds to tell Penny about how he met Sheldon back in 2003. Sheldon and Howard stake their most valuable comic books on a bet over the species of a cricket they hear, enlisting a depressed to settle the bet. This season of series is released in 2009 and it is suitable for devices that supports 1080p resolution, also keep in mind that you need to have enough space on your device drive to download it.
It firstly seems like they have nothing in common, but they start to bond when they learn about each others' problems with their mothers. However, it is Sheldon who surprises him with a large amount of football knowledge forced on him by his father in his childhood , which Leonard later brings to Penny's football party. The guys again have to forfeit the match, and Wheaton reveals to Sheldon that he intentionally broke up the couple so that his team would win. Leonard eventually gives it to Penny for safekeeping. Meanwhile, Sheldon and Raj attend a university mixer, with Sheldon as Raj's wingman after Raj bribes him with a Limited Edition Green Lantern lantern. For a second date, Raj bribes Sheldon with his pair of Hulk hands, signed by Stan Lee.
Howard and Bernadette continued to date even after Howard proposed in the early stage of their relationship. Title reference: Sheldon's revenge against Kripke. Amy bonds with Sheldon, having had an aversion to soiled hosiery and physical contact including coitus, sharing Sheldon's disbelief of dating websites and religion, and both their mothers' having similar personalities. What ends up happening is Amy's dream crazy time, at least in her own belief. Title reference: Because Leonard's rocket fuel explodes inside the elevator and destroys it, the stairway becomes indispensable.
Penny is organizing Amy's bachelorette party. When Leonard returns to make some rocket fuel for Howard, Sheldon points out that he made a mistake in the fuel formulation, and the botched rocket fuel prematurely activates. He works as a busboy and waiter without actually being hired or demanding pay, and turns out to be a more efficient waiter than Penny until he drops and breaks a tray of dishes. The couple stopped at Leonard, who knows that it is impossible to please a friend. The trio begin to run out of food, but Howard remembers that his mother packed food for him and shares it with Leonard and Raj. They manage to convince Sheldon to come back to the apartment, but not before allowing him to buy a robot and a comic book. In the end, Sheldon gleefully returns to his apartment with a restraining order from Stan and hangs it next to his restraining order from Leonard Nimoy.