You will Watch The Secret Saturdays Season 1 Episode 12 online for free episodes with HQ / high quality. Stream cartoons The Secret Saturdays Episode 12 Black Monday When Zak touches the mystic Smoke Mirror of Tezcatlipoca, it unleashes what Zak christens the Monday family, evil doppelgangers of the Saturdays with their own unique powers. The duplicates attempt to trap the Saturday family in their world, where they are wanted criminals instead of heroes. However, their own in-fighting causes them to trap themselves instead, destroying the mirror in the process. The Saturdays leave Mesoamerica in their airship, unaware that the evil Zak Monday and Komodo have managed to escape from the fragments.