Earlier this week I wrote an article about the existence of a Toobworld counterpart to Toobworld itself. "Mirror Toobworld" I call it and it's a dimension in which the TV shows within TV shows have their own reality. (I wouldn't be surprised if it's a situation that goes on forever!)
I listed several examples of the types of TV shows that would make up such a world, but I didn't want to clutter up the post with a lot of YouTube clips. So instead, I'm featuring them today.
First up, here's a fictional show within a show which was not based on a "real" character from Earth Prime-Time: