David Harbour reveals Arnold Schwarzenegger Easter egg in

Arnold Schwarzenegger's 'Conan the Barbarian' has a connection to the fourth season of 'Stranger Things', as revealed by David Harbour.

Stranger Things fans think they've figured out a Hopper plothole

Hopper's Giant Stranger Things Sword Was Previously Swung By

Hopper's Giant Stranger Things Sword Was Previously Swung By

David Harbour Reveals The Surprise Link Between This 'Stranger

Stranger Things season 3: The biggest film references you might

David Harbour Reveals An Arnold Schwarzenegger Connection In

Is Hopper Really Dead? 'Stranger Things 3' Finale Theories

Stranger Things Season 4 Finale Used A Schwarzenegger Movie Prop

Slideshow: Stranger Things: All the Best '80s References