Gaten Matarazzo on saying goodbye to Dustin, crying through the 'Stranger Things' finale, and why it felt like the only right ending

Gaten Matarazzo, who plays fan-favorite Dustin Henderson, said he was "taken aback" by how much he realized the "Stranger ...

What worked — and what didn't — in the 'Stranger Things' finale

Yes, there are spoilers ahead for the final episode of Stranger Things .