Inside 'Stranger Things' Season 5: Fan Theories, Spin-Offs, Casting Announcements and More!

ET looks at season 5 of 'Stranger Things,' from casting announcements to fan theories. Eddie Munson himself, Joseph Quinn, explained to ET why he's satisfied with his character's death in season 4, despite speculation he could return as Vecna's puppet. After it was revealed the Duffer Brother's Netflix hit was ending with its fifith season, Millie Bobby Brown and Sadie Sink shared their emotional reaction to the idea of saying goodbye to Eleven and Max. Plus, David Harbour opened up about why he's not sad at the thought of Sheriff Hopper hanging up his hat for the last time.