Season 1: 6 episodes, 7 hours and 30 minutes Season 2: 9 episodes, 9 hours and 47 minutes Season 3: 8 episodes, 8 hours and 25 minutes Season 4: 9 episodes, 10 hours and 42 minutes

All data based on Netflix streaming timestamps as of March 2025. Runtimes may vary slightly by region due to credit sequences or localized edits.

So, grab some Eggos, gather your squad, and get ready to binge-watch one of the most iconic Netflix shows of all time!

Approximately 22 hours and 36 minutes.

Note: This total does not account for the upcoming Season 5, which will be the final season.

To put that in perspective:

. X +1 This guide breaks down the viewing time by season, including the final season which concluded its release in late 2025. Facebook Series Runtime Summary Season Number of Episodes Total Runtime (Approx.) Season 1 8 6 hours, 46 minutes Season 2 9 7 hours, 51 minutes Season 3 8 7 hours, 31 minutes Season 4 9 13 hours, 2 minutes Season 5 8 10 hours, 8 minutes Total 42 45 hours, 18 minutes Season Breakdown Season 1

The show's runtime has grown significantly since its debut in 2016. While the first three seasons followed a standard television format with episodes typically under an hour, broke this mold with feature-length chapters. The Season 4 finale alone clocked in at 2 hours and 30 minutes, contributing to the season's massive 13-hour total.

Season 5 will be the final season. While official runtimes aren’t available, the Duffers have said it will be shorter than Season 4 but “more like Season 1 in pacing.” Early estimates suggest .