Mysterious Mysteries

From Invader Zim, Mysterious Mysteries is the show that Dib watches constantly.

Dib: Mysterious Mysteries is on!
Gaz: Why do you have a head?

or

Dib: i finally got pictures of Zim without his disguise, Im sending them to Mysterious Mysteries and then the whole world will know the truth!

By Carey

Define Mysterious Mysteries Meaning