Here's the 'Stranger Things 3' line that cracked up Stephen King

Warning: Contains very light spoilers for Stranger Things Season 3.

Three seasons in, and Stephen King is still enjoying Stranger Things just as much as the rest of us.

The horror master has been a fan from the early days. It's not hard to see why, either -- with its copious references to King's many books, the show feels, at least in part, like a love letter to the iconic author's work.

From the looks of the tweet he posted on Sunday, King is currently about mid-way through Season 3.

And it sounds like he already has a favourite line.

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In case you'd forgotten, that's one of the many brilliant quotes that Erica Sinclair has this season. Lucas' ten-year-old sister says it shortly before climbing into an air vent in an attempt to find the secret room in the Starcourt Mall.

Judging by the replies to his tweet, King isn't the only Erica fan out there.

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King first tweeted about Stranger Things back in July 2016. He described the show as "pure fun," while acknowledging its many references to his own books.

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You know you've done well when the person you were inspired by is heaping your show with praise.