1 - The Chosen One...Stinks

Ollie's stinky sweat is a hot commodity in the Monsterverse, and he makes a deal in exchange for it.

2 - Not Another Superhero Movie

Ollie, Cleo and Bernie need to make an epic superhero movie to save Portshill Jr High's Film Club.

3 - New Kid on Campus

Ollie takes Captain Wowski to school in the pack. CW loves it so much he poses as the new kid the next day.

4 - The Chosen One(s)

A former Chosen One unexpectedly shows up. Her presence creates a rift between Ollie and his pals.

5 - Lord of the Caf

After recess gets cancelled, Ollie directs Lucius Van Horn to play VP Magna and change up the rules.

6 - Doom for Rent

In hopes of making some extra cash for a Mother's Day gift, Ollie rents his shed to bounty hunters Andre and Bev.

7 - Sorry to Father You

Ollie pulls a role model monster dad out of the pack to teach him how to shave for the first time.

8 - Race to Sploosh Mountain

It's vacation day and Ollie, his mom, and pals pack up the car for a road trip to Sploosh Mountain.

9 - Major Snooch

Major Snooch comes out of the pack to test Ollie as the Chosen One and evaluate CW as a guardian.

10 - We're With the Band

Ollie pulls rocker monsters out of the pack for Battle of The Bands, attracting Andre and Bev.

11 - King Swelly Belly

Ollie and monster gut slug, Jeffrey, team up to help one another win an eating contest and find love.

12 - Yard Sale Fail

After Ollie’s mom sells his beloved preschool toys at a yard sale, he and CW investigate the suspected buyers.

13 - Cleo for President

When Cleo runs for class president, Ollie summons Courtney Poweredge from the pack to be her campaign manager.

14 - The Janitor

Nobody but Ollie suspects that the new school janitor is a monster.

15 - Charmed and Dangerous

Ollie and his friends save VP Magna from beautiful monster Buene Brillo, who pursues him for his good looks.

16 - Science Unfair

Ollie summons a monster, in hopes of helping Bernie impress Mr. Pandey with his robot at the Science Fair.

17 - Hollie Monitor

After a series of locker vandalism, Ollie becomes hall monitor and summons a sheriff monster from the pack.

18 - Sister Save Me

While Ollie is out of commission with a swollen ankle, Pyper takes on the job of Chosen One.

19 - Cool Hand Wowski

After Ollie and Captain Wowski have a spat, CW is mistaken for a stray cat and gets captured by Animal Control.

20 - Big Bern

Preparing to meet a bully after school, Bernie finds a monster device in CW’s closet that can help him.

21 - Getting Oldie With It

After Ollie, Cleo and Bernie use an age-up monster to get into the movies, Bernie experiences the joys of being old.

22 - Lil' Baby Ollie

Ollie impresses the coolest kids in school but now he’s got to watch a scary movie featuring his biggest fear, geese.

23 - Ollie Dogs

Ollie offers a monster realm condiment for his hot dog stand, accidentally causing weird side effects.

24 - Camp Magna

Ollie and his classmates go on a camping trip. Ollie uses the pack to avoid roughing it, attracting Andre and Bev.

25 - The Chosening

When Ollie blames Wowski for not prepping him for a Chosen One test, they have a falling out.

26 - Crush it Ollie

When Ollie is paired with Ivy for a science class project, he tries to shake his slacker image to impress her.

27 - Ollie Doubles Down

Ollie convinces Van Horne to play him in detention so he can chase down and pack a garbage-eating blob monster.

28 - The Great Grade Grab

When Bernie gets accepted to a gifted school, the trio decides to pull a heist and lower his grades.

29 - Chancy Rancy

When monster bounty hunter, Ashlor shows up looking for Ollie and his pals, they hide out with Rance.

30 - The Monsters V. Ollie Allen

Ollie finds himself on trial, in monster court for misusing the pack.

31 - History of Portshill

Ollie summons Lucius Van Horn to act as the Sasquatch, to amp up Portshill’s history.

32 - Trio's a Crowd

When Ollie and Bernie get wrapped up in a video game, Cleo befriends a monster, named Trina.

33 - Ollie's Monster Club

Ollie tracks down a vindictive monster who is vandalizing Portshill and trying to pin it on him.

34 - Ollie's Shadow

Ollie’s feelings about Turner unleashes a shadow monster that gets its power from negativity.

35 - Slice of Life

36 - Goodnight, Sleep Fright

37 - Ollie in the House

38 - The Ollie Files

39 - Sour Power

40 - Birthday Shmirthday: A Cleo Badette Documentary