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.
Episode 1
Ollie's stinky sweat is a hot commodity in the Monsterverse, and he makes a deal in exchange for it.
Episode 2
Ollie, Cleo and Bernie need to make an epic superhero movie to save Portshill Jr High's Film Club.
Episode 3
Ollie takes Captain Wowski to school in the pack. CW loves it so much he poses as the new kid the next day.
Episode 4
A former Chosen One unexpectedly shows up. Her presence creates a rift between Ollie and his pals.
Episode 5
After recess gets cancelled, Ollie directs Lucius Van Horn to play VP Magna and change up the rules.
Episode 6
In hopes of making some extra cash for a Mother's Day gift, Ollie rents his shed to bounty hunters Andre and Bev.
Episode 7
Ollie pulls a role model monster dad out of the pack to teach him how to shave for the first time.
Episode 8
It's vacation day and Ollie, his mom, and pals pack up the car for a road trip to Sploosh Mountain.
Episode 9
Major Snooch comes out of the pack to test Ollie as the Chosen One and evaluate CW as a guardian.
Episode 10
Ollie pulls rocker monsters out of the pack for Battle of The Bands, attracting Andre and Bev.
Episode 11
Ollie and monster gut slug, Jeffrey, team up to help one another win an eating contest and find love.
Episode 12
After Ollie’s mom sells his beloved preschool toys at a yard sale, he and CW investigate the suspected buyers.
Episode 13
When Cleo runs for class president, Ollie summons Courtney Poweredge from the pack to be her campaign manager.
Episode 14
Nobody but Ollie suspects that the new school janitor is a monster.
Episode 15
Ollie and his friends save VP Magna from beautiful monster Buene Brillo, who pursues him for his good looks.
Episode 16
Ollie summons a monster, in hopes of helping Bernie impress Mr. Pandey with his robot at the Science Fair.
Episode 17
After a series of locker vandalism, Ollie becomes hall monitor and summons a sheriff monster from the pack.
Episode 18
While Ollie is out of commission with a swollen ankle, Pyper takes on the job of Chosen One.
Episode 19
After Ollie and Captain Wowski have a spat, CW is mistaken for a stray cat and gets captured by Animal Control.
Episode 20
Preparing to meet a bully after school, Bernie finds a monster device in CW’s closet that can help him.
Episode 21
After Ollie, Cleo and Bernie use an age-up monster to get into the movies, Bernie experiences the joys of being old.
Episode 22
Ollie impresses the coolest kids in school but now he’s got to watch a scary movie featuring his biggest fear, geese.
Episode 23
Ollie offers a monster realm condiment for his hot dog stand, accidentally causing weird side effects.
Episode 24
Ollie and his classmates go on a camping trip. Ollie uses the pack to avoid roughing it, attracting Andre and Bev.
Episode 25
When Ollie blames Wowski for not prepping him for a Chosen One test, they have a falling out.
Episode 26
When Ollie is paired with Ivy for a science class project, he tries to shake his slacker image to impress her.
Episode 27
Ollie convinces Van Horne to play him in detention so he can chase down and pack a garbage-eating blob monster.
Episode 28
When Bernie gets accepted to a gifted school, the trio decides to pull a heist and lower his grades.
Episode 29
When monster bounty hunter, Ashlor shows up looking for Ollie and his pals, they hide out with Rance.
Episode 30
Ollie finds himself on trial, in monster court for misusing the pack.
Episode 31
Ollie summons Lucius Van Horn to act as the Sasquatch, to amp up Portshill’s history.
Episode 32
When Ollie and Bernie get wrapped up in a video game, Cleo befriends a monster, named Trina.
Episode 33
Ollie tracks down a vindictive monster who is vandalizing Portshill and trying to pin it on him.
Episode 34
Ollie’s feelings about Turner unleashes a shadow monster that gets its power from negativity.
Episode 35
No overview available.
Episode 36
No overview available.
Episode 37
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Episode 38
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Episode 39
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Episode 40
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