The senior class plans to have a skip-day party at the principal's house until Adam Harris leaks the secret, so he decides to save the celebration by hosting it at his house.

Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.

An elite team of FBI profilers analyze the country's most twisted criminal minds, anticipating their next moves before they strike again. The Behavioral Analysis Unit's most experienced agent is David Rossi, a founding member of the BAU who returns to help the team solve new cases.

A group of criminals find that a heist they just pulled turns deadly.