<P> The first season consisted of eight one - hour - long episodes which were released worldwide on Netflix on July 15 , 2016 , in Ultra HD 4K . The second season , consisting of nine episodes , was released on October 27 , 2017 in HDR . A teaser for the second season , which also announced the release date , aired during Super Bowl LI . The third season is expected to consist of eight episodes . It is not expected to be released until late 2018 or early 2019 . </P>
<P> The first season consisted of eight one - hour - long episodes which were released worldwide on Netflix on July 15 , 2016 , in Ultra HD 4K . The second season , consisting of nine episodes , was released on October 27 , 2017 in HDR . A teaser for the second season , which also announced the release date , aired during Super Bowl LI . The third season is expected to consist of eight episodes . It is not expected to be released until late 2018 or early 2019 . </P>
when do new stranger things episodes come out
when do new stranger things episodes come out
late 2018 or early 2019
late 2018 or early 2019