Stranger Things might've been a streaming show... but unlike other streaming shows that have been lost forever due to a lack of a physical media release, Netflix is giving us the entire nine-year run across 25 discs.
Per the official press release, the complete box set (which has some pretty nifty artwork that appears to show the cast throughout the seasons) includes bloopers, never-before-seen interviews with the cast and crew, behind-the-scenes featurettes, a 148-page booklet, 25 art cards from all five seasons, a Hellfire Club patch, Hellfire Club D20 dice, double-sided posters for each season, a Palace Arcade token, a double-sided foldout map of Hawkins, ... and "much more," apparently.
