The Big Bang Theory is an American sitcom that shows the everyday lives of five main characters, Leonard Hofstadter, Sheldon Cooper, Howard Wolowitz, Raj Koothrappali and Penny. Supporting characters, who over time become part of the main cast include Bernadette Rostenkowski and Amy Farrah Fowler. The seventh season was on air on CBS from 26.10.2013 to 15.05. 2014 and consisted of 24 episodes.
In season 7, Sheldon and Amy see progress in their relationship. Amy is impressed when she learns from Leonard that Sheldon has her as his screensaver. She prepares for a romantic trip for Valentine’s Day. Although Sheldon alleges that Amy is bossing him around in quest of romance, he kisses her and seems to enjoy it. Later when Sheldon visits a psychic on the recommendation of Penny, he is told that his commitment to Amy will solve all his problems relating to both personal life and profession.
Leonard and Penny’s relationship also takes a step forward. Seeing Howard’s impressive romantic gesture toward Bernadette, Penny realizes that she has failed at reciprocating all of Leonard’s romantic gestures toward her. Penny shows Leonard the tokens of romance that he has presented her with. Leonard feels touched at seeing how Penny has cherished all those things he’s done for her. When Penny is depressed due to her struggles in the acting industry, she proposes to Leonard for marriage. Leonard tells her that he thinks that her decision is affected by her career struggle but Penny assures him that she realizes what is really important to her. Leonard kneels down, takes out a ring and proposes Penny who accepts him happily.
Raj is in pursuit of a new love. With the help of Amy, Raj responds to Emily, who had gotten in touch with him through an online dating site. This displeases Emily. She decides to meet Amy with whom she thinks she has a lot in common. Raj barges in while Amy and Emily are having coffee, and this further turns Emily off. Despite that Raj dates Emily and their relationship sees advances.
Sheldon is frustrated with all the problems at hand. The university refuses to allow him to change his sphere of study, Penny and Leonard want to move in together without Sheldon after marriage, Amy suggests to live together with Sheldon and the destruction of Stuart’s comic bookstore further puts Sheldon off. In the midst of all these changes, Sheldon decides to go out of town to realize what he desires.