Millie Bobby Brown, Finn Wolfhard, Shawn Levy and the Duffer Brothers sit down to discuss new characters and the season's most important themes.

Shawn Levy and the Duffer Brothers stick around to talk 1980s tech and teenage love triangles with Caleb McLaughlin, Gaten Matarazzo and Sadie Sink.

Joe Keery joins Shawn Levy, Gaten Matarazzo and the Duffer Brothers to shed light on Steve's evolution -- and the season's most surprising partnership.

Natalia Dyer, Charlie Heaton, Joe Keery and Brett Gelman dissect a major new development, with insight from David Harbour and Shannon Purser.

Caleb McLaughlin, Gaten Matarazzo, Noah Schnapp and Randy Havens discuss Mr. Clarke's influence. "Science Guy" Bill Nye and Sean Astin weigh in.

Sadie Sink, Brett Gelman, Dacre Montgomery and Linnea Berthelsen share their experiences creating new characters on a show with a huge fan following.

Jim Rash steers the cast and crew through a deep-dive discussion of the season's conclusion and what it means for the future of Hawkins.