Sneaking adult humour into shows or Tamil Archivesbooks aimed at kids is certainly not a new thing -- but it's not often you get a scene quite as eyebrow-raising as the one below.
SEE ALSO: Netflix has pulled this children's show after a very NSFW discoveryOn Sunday, Ed Brody tweeted the following images from a Biff, Chip and Kipperbook.
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Okay, let's go in for a closer look.

Nothing too unusual in that first one, right? Just three friends having a chat in the park.
But then, when we move on to the next scene...

Yep: the implications in that one seem pretty unambiguous.
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It turns out this isn't the only adult reference that's been snuck into Biff, Chip and Kipperbooks, either.
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(In case you missed it, take another look at the letters on the building blocks.)
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