Harper's Island

Harper's Island is an American horrormysterylimited series created by Ari Schlossberg for CBS. Schlossberg, Jeffrey Jackson Bell and Jon Turteltaub served as executive producers. The series features an ensemble cast led by Elaine Cassidy alongside Christopher Gorham, Katie Cassidy, Cameron Richardson, Adam Campbell, C.J. Thomason, and Jim Beaver. The plot follows a group of family and friends that travel to the titular locale for a destination wedding, only to learn that there is a killer among them.

The series premiered on April 9, 2009, and was marketed as a thirteen-week limited event. The final two episodes aired on July 11. The first three episodes aired on Thursdays, but was moved to Saturdays thereafter. Because of this, Global premiered the following episodes in Canada two days prior to the United States. A companion web series, Harper's Globe, was released concurrently.

The series was initially intended to be an anthology series featuring a new setting and characters in the second season. However, on July 14, 2009, CBS cancelled the series after one season. The series later received favorable retrospective assessments, with critics describing it as a cult favorite and as being ahead of its time for its seasonal anthology format.