Inside 'Stranger Things 3' Episode 4 With Director Shawn Levy (PHOTOS)

Kate Hahn

[WARNING: The following contains MAJOR spoilers for Stranger Things 3.]

We cried when Stranger Things killed off bad boy Billy (Dacre Montgomery) in the Season 3 finale.

His death was especially wrenching because the anti-hero, who in episode two became possessed by a monster bent on destroying telekinetic teen Eleven (Millie Bobby Brown), redeemed himself at the last moment by giving his life to protect her from the creature.

'Stranger Things' Dacre Montgomery on Billy's Supernatural Connection & Redemption in Season 3

'Stranger Things' Dacre Montgomery on Billy's Supernatural Connection & Redemption in Season 3

The actor previews Billy's place in Season 3, and whether he thinks Hawkins' resident bad boy has any redeeming qualities.

As a tribute to Billy, we revisit the gripping showdown back in episode four between him and Eleven with executive producer Shawn Levy, who directed it.

In the gallery above, Levy gives us exclusive insider details on shooting the infamous "Sauna Test."

Stranger Things 3, Streaming Now, Netflix