Replying here to this because I wouldn't want to bump my thread for no good reason.
I only watched some episodes around a decade ago before getting sidetracked with other things (also, I was a kid at that time, so I couldn't truly appreciate the awesomeness). Even so, that's one of the first things that come to mind when I saw the 'MD' in my giveaway link, so I decided to add that little puzzle as well after pondering a bit if it would be too convoluted or unnecessary.
And

View attached image.