20201 season40 episodes6.1TV-Y7English
AnimationComedyAction & Adventure
13-year old Ollie, with the help of his best buddies Cleo and Bernie and monster trainer Captain Wowski, protects and controls a backpack portal to the world of monsters.
13-year old Ollie, with the help of his best buddies Cleo and Bernie and monster trainer Captain Wowski, protects and controls a backpack portal to the world of monsters.
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