13 Reasons Why (2017-) Season 1 - 13 episodes (2017) Watch 13 Reasons Why Season 1 on Netflix // Buy the book Thirteen Reasons Why This drama is based on a 2007 young adult novel. Clay (Dylan Minnette) finds a box on his doorstep addressed to him two weeks after his classmate Hannah ended her life. Inside he discovers seven tapes outlining the thirteen people that are reasons why Hannah did it