High Quality Content by WIKIPEDIA articles! The Secret Life of the American Teenager is a television series created by Brenda Hampton. It first premiered on ABC Family on July 1, 2008 and is currently in its fifth season. The show features a regular cast of characters, which began with eleven main characters in its first season. Since then, characters have left the show, with new main characters having both been written in and out of the series. In addition, Secret Life features multiple guest stars each week, some having larger roles than others.