Actor David Harbour (Sheriff Jim Hopper) joins Dan to discuss the powerful ending to Season 3 of "Stranger Things", including the emotional letter that Hopper wrote to Eleven. He also talks about auditioning for the role, the evolution of his character, and exciting things to expect in Season 4. Plus, could the Red Guardian (his role in "Black Widow") take on Captain America? See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.