🎬 Stranger Things: Season 3 (2019), marketed as Stranger Things 3, is a science fiction horror drama TV series with 8 episodes, episodes ~50–78 minutes (total runtime ~7.4 hours / 444 minutes). 📜 Storyline (47 words): In summer 1985, Hawkins’ new Starcourt Mall hides dark secrets as the Mind Flayer returns, possessing locals like Billy to build an army. Teens Eleven, Mike, Dustin, and friends, plus Joyce, Hopper, and new allies, uncover a Soviet underground lab and battle to stop the invasion