Crusoe is an adventure-drama television series, based loosely on the 1719 novel Robinson Crusoe by Daniel Defoe. The series' 13 episodes aired on NBC from October 17, 2008, to January 31, 2009, during the first half of the 2008–2009 television season. It follows the adventures of Robinson Crusoe: a man who has been shipwrecked on an island for six years and is desperate to return home to his wife and children. His lone companion is Friday, a native whom Crusoe rescued and taught English.