David Harbour chats with ET’s Denny Directo at the season 5 premiere of ‘Stranger Things,’ streaming Nov. 26 on Netflix. The actor reacts to his relationship with co-star Millie Bobby Brown and why he’s ‘proud’ of her. ‘Stranger Things’ season 5 vol. 1 hits Netflix on Nov. 26, vol. 2 streams Dec. 25 and the series finale drops Dec. 31.