Leonard and sheldon are brilliant physicists – geniuses in the laboratory, but socially challenged everywhere else.
enter beautiful, street-smart neighbor, penny, who aims to teach them a thing or two about life.
despite their on-again, off-again relationship in the past, leonard and penny have finally gotten married.
even sheldon has found a female companion – entering into a relationship agreement with neurobiologist amy farrah fowler, and he recently took their relationship to the next level by marrying her after a long courtship.
in their free time, leonard and sheldon enjoy fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists raj and howard, and howards adorable microbiologist wife, bernadette, who is adjusting to life with their two children.