Sheldon, Leonard, Howard, and Raj continue their trek for love and happiness in The Big Bang Theory: The Complete Season 7, which contains all episodes from season seven of the US sitcom.

The show revolves around two university physicists, Leonard (Johnny Galecki) and Sheldon (Jim Parsons), their beautiful, free-spirited neighbour, Penny (Kaley Cuoco-Sweeting), and their friends, Howard (Simon Helberg), Rajesh (Kunal Nayyar), Amy (Mayim Bialik) and Bernadette (Melissa Rauch).

The Big Bang Theory is a comedy about brilliant physicists, Leonard and Sheldon, who are the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women.

All this begins to change when a free-spirited beauty named Penny moves in next door...