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

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

Journalist Michael Ausiello embarks on a rollercoaster ride of emotions when Kit Cowan, his partner of 14 years, is diagnosed with terminal cancer.