<P> The Defenders premiered in New York on July 31 , 2017 , with the full season of eight episodes released on August 18 , 2017 on Netflix . The miniseries met with generally positive reviews , with particular praise going to Weaver . Netflix revealed The Defenders was the third-most `` Binge Raced '' series globally , while third - party analysis indicated the miniseries was the least - viewed of the Marvel Netflix series and had the largest week - over-week drop in viewership . </P>
<P> The Defenders premiered in New York on July 31 , 2017 , with the full season of eight episodes released on August 18 , 2017 on Netflix . The miniseries met with generally positive reviews , with particular praise going to Weaver . Netflix revealed The Defenders was the third-most `` Binge Raced '' series globally , while third - party analysis indicated the miniseries was the least - viewed of the Marvel Netflix series and had the largest week - over-week drop in viewership . </P>
how many episodes in the defenders season 1
how many episodes in the defenders season 1
eight
eight