The third season of Bates Motel consists of 10 episodes and premiered on A&E. Season 3 offers more of the dark, twisted backstory of Norman Bates and how deeply intricate his relationship with his mother. Norma finds herself turning to the other man in her life, Dylan, and begin to rely on him in way that she never expected. This relationship inevitably triggers jealousy in Norman and a new kind of love triangle between Norma and her 2 son erupts.