For some, high school was paradise. For others, it was an unforgettable nightmare. Twenty years after graduation, sixteen classmates from Chaparral High School's Class of '89 reunite on the tropical Hawaiian island of Kauai to relive their high school glory days. The Football Star, The Nerd, The Cheerleader, The Ladies Man—they're all back and things haven't changed as bitter rivalries resurface and old flames reignite.

Every high school class has its secrets—and Arizona's Chandler High School Class of '88 is no exception. Twenty years after graduation, fifteen Chandler classmates reunite on the beautiful island of Kauai, Hawaii. The Jock, The Homecoming Queen, The Ugly Duckling, The Class Clown, The Outcast... they're all back. Old grudges will reemerge, old flames will reignite. And one of these classmates will reveal the most shocking secret in High School Reunion history. Love, hate, friendship and revenge. At their emotional reunion, the Class of '88 will learn that through the good times and the bad, high school never really ends.

More than a dozen classmates from the 1987 graduating class of J.J. Pearce High School in Dallas, Texas reunite after 20 years. In high school, they were known as the jock, the popular girl, the stud, the bully and the geek. Have they changed or are they still living up to their high school roles? Find out when they all get back together for a two-week Hawaiian get-away sure to rekindle past relationships, rivalries and romances.