I think that it’s from the D&D episode of Secret Level from Amazon Prime. I believe that I recognise that child.

I looked it up and it seems that the map might be from a book published in 1985.

Feigning disinterest wouldn’t work on my cat. He demands attention, and will take it personally if you ignore him. If you’re new and don’t give him attention, he will not stop staring at you, and you will randomly get a swat on the head if you continue.