The third season of Bates Motel consisted of 10 episodes and broadcast on A&E from March 9-May 11, 2015, airing on Mondays at 9 p.m. ET/PT. The series itself is described as a "contemporary prequel" to the 1960 film Psycho, following the life of Norman Bates and his mother Norma prior to the events portrayed in the Hitchcock film. Wikipedia