The Series is an HBO television series that documents the professional lives of the workers at the Moonlit Bunny Ranch, a legal brothel in Nevada. The 11 episodes of the first season were originally broadcast in 2005. 6 episodes of the second season aired two years later. The series is the direct successor of the HBO documentaries Cathouse and Cathouse 2. Back in the Saddle, this also focused on the Bunny Ranch. On New Year's Day 2008 at 12:05am, HBO aired a special episode of the series entitled "Cathouse the Musical." Also in 2008, two standalone episodes aired Cathouse Come to the Party and Best of Cathouse.