Gaten Matarazzo, Caleb McLaughlin, Maya Hawke and Natalia Dyer chat with ET at the ‘Stranger Things’ final season celebration at the Paley Museum. The cast reacts to online fans ranking which characters would have the saddest deaths and share how they plan to watch the series finale as a group. ‘Stranger Things’ season 5 vol. 1 is now streaming on Netflix. Vol. 2 drops Dec. 25 and the series finale is out Dec. 31.