Mystery Mountain PJ Masks toy for Series 3 of the Disney Junior PJ Masks Episodes. Night Ninja tries to take over the Mystery Mountain but Catboy is on the case and stops him.

We check out the new Mystery Mountain figures for Catboy and Anyu. And the Power of Mystery Mountain collectible figure set, and the Catboy Quad, Owlette Quad and Gekko Quad. We also revisit the Seeker HQ.