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.
E1: The Chosen One...Stinks▶ PLAY
E2: Not Another Superhero Movie▶ PLAY
E3: New Kid on Campus▶ PLAY
E4: The Chosen One(s)▶ PLAY
E5: Lord of the Caf▶ PLAY
E6: Doom for Rent▶ PLAY
E7: Sorry to Father You▶ PLAY
E8: Race to Sploosh Mountain▶ PLAY
E9: Major Snooch▶ PLAY
E10: We're With the Band▶ PLAY
E11: King Swelly Belly▶ PLAY
E12: Yard Sale Fail▶ PLAY
E13: Cleo for President▶ PLAY
E14: The Janitor▶ PLAY
E15: Charmed and Dangerous▶ PLAY
E16: Science Unfair▶ PLAY
E17: Hollie Monitor▶ PLAY
E18: Sister Save Me▶ PLAY
E19: Cool Hand Wowski▶ PLAY
E20: Big Bern▶ PLAY
E21: Getting Oldie With It▶ PLAY
E22: Lil' Baby Ollie▶ PLAY
E23: Ollie Dogs▶ PLAY
E24: Camp Magna▶ PLAY
E25: The Chosening▶ PLAY
E26: Crush it Ollie▶ PLAY
E27: Ollie Doubles Down▶ PLAY
E28: The Great Grade Grab▶ PLAY
E29: Chancy Rancy▶ PLAY
E30: The Monsters V. Ollie Allen▶ PLAY
E31: History of Portshill▶ PLAY
E32: Trio's a Crowd▶ PLAY
E33: Ollie's Monster Club▶ PLAY
E34: Ollie's Shadow▶ PLAY
E35: Slice of Life▶ PLAY
E36: Goodnight, Sleep Fright▶ PLAY
E37: Ollie in the House▶ PLAY
E38: The Ollie Files▶ PLAY
E39: Sour Power▶ PLAY
E40: Birthday Shmirthday: A Cleo Badette Documentary▶ PLAY