Webcomics - Our Halloween family ritual is going to SpiritHalloween!

I say this is a spiritual sequel to this:

And the main reason why I post this is so I can post this 4chan edit as well:

I spent a whole minute looking for the edit. Can't believe it was that obvious…
1) Oh hey, here's the edit. The mom expression is different. What's so special about that?
2) Wait, where is she looking at?
3) …Oh!