Here is the Saturday Morning Breakfast Cereal from August 10th, just this past Monday.
Nothing in this posting made me think Zach, the author/artist, was trying to make a reference to xkcd #386 from 2008:
This must be a case of unconscious influence. Or maybe it's down to the fact that there are only seven stories.
And since it's #caturday, here's a GPOMC