~54 minutes

This makes Season 3 the longest season of the series at the time of its release (July 4, 2019), surpassing Season 2’s ~7.5 hours. | Episode # | Title | Runtime (minutes) | |-----------|-------|------------------| | 1 | “Suzie, Do You Copy?” | 51 min | | 2 | “The Mall Rats” | 50 min | | 3 | “The Case of the Missing Lifeguard” | 49 min | | 4 | “The Sauna Test” | 52 min | | 5 | “The Flayed” | 51 min | | 6 | “E Pluribus Unum” | 59 min | | 7 | “The Bite” | 55 min | | 8 | “The Battle of Starcourt” | 77 min |

Here’s a deep report on the runtime of Stranger Things Season 3. Total runtime: Approximately 8 hours and 7 minutes (487 minutes)