At long last, Ted and Karen Wheeler are in on the action.

Spoilers ahead for “Stranger Things” Season 5, Volume 1.

In the first four episodes of “Stranger Things” Season 5, now streaming on Netflix, Ted and Karen Wheeler finally learn about the supernatural threats around them.

“When I read the first script [for Season 5] I was like, ‘Oh my God, I can’t believe this is going on!’ And then it just kept going and going and going. It was like a feeling of an upside down roller coaster, just reading the script,” Chrest exclusively told The Post.

“Stranger Things,” which is currently airing its fifth and final season, first premiered in 2016. The plot follows various friends and family members in Hawkins, Indiana, as they deal with supernatural monsters in the ‘80s.

Ted (Joe Chrest) and

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