Hoarders is an American reality television program which aired on A&E, from 2009 to 2013, on Lifetime in 2015, and again on A&E beginning in 2016. Each episode follows one or two participants, each of whom is a compulsive hoarder. Throughout the episode, an organizational expert (who may also be psychiatrist, psychologist or a professional organizer specializing in some aspect involving the treatment of obsessive/compulsive disorders, anxiety disorders, and/or hoarding) works with the subject to address the situation and provide guidance in order to change hoarding behaviors.