Stranger Things has kept its fanbase firmly glued to their seats throughout its four seasons, with plenty of tears, horror, and laughter, but it seems as though it will be an even bigger emotional journey for its fifth and final season, according to David Harbour. The epic Netflix sci-fi show has been gearing up for its big season five finale in 2025, and it's clear that it's going to be one heck of a rollercoaster for the town of Hawkins, and the rest of the gang.