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.

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

No synopsis available.

36. Goodnight, Sleep Fright

No synopsis available.

37. Ollie in the House

No synopsis available.

38. The Ollie Files

No synopsis available.

39. Sour Power

No synopsis available.

40. Birthday Shmirthday: A Cleo Badette Documentary

No synopsis available.