Physicists Leonard and Sheldon find their nerd-centric social circle with pals Howard and Raj expanding when aspiring actress Penny moves in next door.
A hedonistic jingle writer's free-wheeling life comes to an abrupt halt when his brother and 10-year-old nephew move into his beach-front house.
A working-class family struggles to get by on a limited income in the fictional town of Lanford, Illinois.
