Warning: Major spoilers ahead for "Stranger Things."

If you've seen Netflix's hit show "Stranger Things," you know the entire series revolves around a mysterious government facility deep in the woods of a quiet Indiana town called Hawkins.

The Department of Energy, as the show's characters say over and over again, runs that facility: Hawkins National Laboratory.

And while the Energy Department is very real, often secretive, and absolutely performing mind-bending science experiments, the show's creators, the Duffer brothers, drew up a lot of fiction surrounding the $29.7 billion-a-year wing of the US government.

Paul Lester, an Energy Department spokesperson, watched every episode and had a lot to say about it in an official blog post.

"While I really enjoyed 'Stranger Things' as a mashup of Goonies and X-Files with some amazing 80s music mixed in, the show's portrayal of the Energy Department was a little less than accurate," Lester wrote.

Here are five things about "Stranger Things" the Energy Department wants to clear up: