TV highlights: 'Summer Dreams' on CBS and 'Cosmos' Part II

Filmed in Las Vegas in 2013, "Summer Dreams" (CBS at 8 p.m. Saturday) follows four rookie basketball players through the experience of the NBA's Summer League and a referee and crew chief for the WNBA and the NBA Development League, Lauren Holtkamp, as she tries to become the third full-time female referee and second current female referee in the NBA.