Zack, Quack and Kira turn into superheroes to save Poptropolis from a gorilla.

When Zack and Quack run out of milk, they go to the source to get more.

When Zack wants to tame the wildest animal alive, he takes a trip to the circus.

A fuzzy baby monster pops up in the garden.

Quack comes down with a case of the sneezes right in the middle of a game of the Knights of Pop-A-Lot.

Zack gets a high-tech boomerang.

When Quack is scared of the dark on a moonless night, Zack rockets into space to light it up.

Zack and Quack must find a cure for Belly-Up's hiccups.

When Zack wants to cool down on a hot summer day, he decides to take a train trip to the snow.

Zack and Quack's beloved snowman starts to melt.

It's the day of the big kite contest and Zack, Kira and Quack decide to enter together.

Zack's special poppy-up flower needs water soon.

Zack and Quack study with hide-and-seek ninjas to become masters of the art.

Zack takes Fluffy on a deep-sea adventure to find an amazing fish.

For Friendship Day, Zack presents a balloon to each of his friends, but Quack's gets blown away.

An alien athlete makes a landing in Zack's backyard.

A ghost swipes Zack and Quack's candy while they're trick-or-treating in the Pop-Up Pumpkin Patch.

Zack tries to find a spider a perfect new home.

When holes appear on every page of the book, Zack, Kira and Quack must solve the case.

Zack and Quack want to climb to the top of Mount Popperest.

Zack and Quack set off to compete in a sled race across a snowy tundra.

Zack and Quack go to an Egyptian pyramid to return a lost crown.

When Zack and Quack go on a duck vacation, Quack gets caught up playing with the other ducks.

A loud sound is keeping Zack's new band from practicing.

The Easter Bunny's special chocolate-egg-laying chickens are missing.

Kira's beautiful painting gets rained on just before the Pop Art Festival.

The friends are putting on a big dance show when Quack realizes he's not a good dancer.

Zack wants to take Quack to a water park for his birthday.

Zack and Quack struggle when they try to keep a lion as a pet.

Zack's treehouse is blown away, leaving everyone far from home.

When the friends want to take Zack on the best picnic ever, the outing turns into pandemonium.

Zack and Quack want to compete in the Pop-Up Games.

Zack finds a beautiful gem and wants to display it for everyone at the Pop-Up Museum.

Zack tries to keep the sun from setting so the day won't end.

Kira rides on the most challenging skateboard course ever.

Zack and Quack are forced into superhero duty before they can get their costumes.

Zack gives his friends a pop-up Christmas countdown calendar.

When Zack's mailbox gets frozen, he sets out to deliver his letter to Santa in person.

Zack takes his friends camping and finds out that Quack has some funny ideas about it.

Zack wants to build a roller coaster at the Pop-Up Fun Fair.

When Quack finds a dusty old lamp, a genie pops out and grants him three wishes.

It's movie night, but Zack is fresh out of popcorn.

When Quack goes crazy for golf, it's no more Mr. Nice Duck.

When a robot takes Zack's watch that he uses to signal Kira, the friends go on a mission.

Zack and Quack are planning a welcome home party for Belly-Up and decide to tidy up the garden.

Sheriff Zack takes his friends to a pop-up dude ranch.

Zack and his mates find a pirate map and set off on a swashbuckling adventure.

Zack and Quack look for a special ingredient in Kira's yummy dessert.

When scouts Zack and Quack want to earn a bravery badge, they have to prove themselves.

Zack and Quack participate in a special parade for birds.