The Duffer Brothers offered some rare insight into the highs and lows of making the final season of Stranger Things in a new documentary.

Stranger Things co-creators Ross Duffer and Matt Duffer detailed their experience writing the series finale in Netflix's new documentary and why they began production before completing the script.

Matt and Ross Duffer are the focus of the documentary, but stars Millie Bobby Brown, Sadie Sink, Finn Wolfhard and Schnapp are among those who also share their experiences on the show and reflect on it coming to an end. Here, Radwan talks about how she directed “One Last Adventure: The Making of Stranger Things 5.”

The Boroughs' is a new Netflix sci-fi series executive-produced by the Duffer Brothers and set for release this year

To say that Stranger Things’ series finale sparked debates is like saying the great Biblical flood caused some dampness. It’s now one of few TV shows with an ending so disputed that a chunk of the fandom conspiracy-theorized that their displeasure was the intent of creators Matt and Ross Duffer,