When does Untitled American Basketball Association docuseries return?

The American Basketball Association (ABA) was a men's professional basketball major league from 1967 to 1976. The ABA merged into the National Basketball Association in 1976, resulting in four ABA teams joining the NBA and the introduction of the NBA 3-point shot in 1979. In 1965, Dennis Murphy, a marketing executive and sports fan, came up with the idea of a second basketball league.