The Mysterious Masks (S04E45)

S04E01 Heroes of the sky (I) S04E02 Heroes of the sky (II) S04E03 Heroes of the sky (III) S04E04 Heroes of the sky (IV) S04E05 Who Let the Moths In? S04E06 Commander Meow S04E07 Motsuki's Missing Sister S04E08 Not so Ninja S04E09 PJ Party Mountain S04E10 Wolfies of the Pagoda S04E11 Master Fang's Secret S04E12 Aerodylan S04E13 Asteroid Accident S04E14 All About Asteroids S04E15 Romeo's Space Machine S04E16 Newton and the Ninjas S04E17 Missing Space Rock S04E18 Flying Factory Out of Control S04E19 Munki-gu S04E20 Munki-gu in the City S04E21 Mission Munki-gu S04E22 Legend of the Wolfy Bone S04E23 Gekko VS Armavillain S04E24 Super Super Cat Speed S04E25 Munki-gu's Dragon S04E26 Gekko Loves Lionel S04E27 Octobella S04E29 Star Buddies S04E31 Magnet in the Moat S04E33 Octobella's Garden S04E35 Teeny Weeny Returns S04E37 The Labours of Armadylan S04E39 The Power of Monkey Chatter S04E40 The Secret of Monkey Goodness S04E41 Pharaoh Boy S04E42 By My Pharaoh Feathers S04E43 Pharaoh's Chariot S04E45 The Mysterious Masks S04E47 Catboy's Cat S04E49 Pharaoh and the Ninjalinos