A frozen monster is laying siege to the frozen foods aisle at the Joliville supermarket. Can the Monster Agency stop ...

When they arrive at their vacation spot, Matt and his family discover that a mysterious monster has been terrorizing ...

Matt’s grades are getting worse and worse. Ellen and Bruce take drastic measures: no more monster hunting until furth...

A mysterious monster comes out of the faucet and attacks Matt while he’s in the tub. Ellen thinks Matt is just trying...

Madame Bovary has found a foolproof way to capture monsters: hypnotize them. The Monster Agency can’t compete with a ...

Madame Bovary decides to deal a fatal blow to the Monster Agency. While Matt’s parents are away, she kidnaps Dink. Th...

Mika doesn’t like being on a diet very much. When Bruce and Matt go shopping for a new telephone to replace the one ...

An enormous trash monster is spreading terror among the citizenry and the garbage men. Will the Averages, skilled so...

Manson, Matt, and their friend Sonia are going to visit a huge aquarium. When they get there, the find the guards par...

The cars of Joliville are breaking down one after the other. It turns out the motor oil is the favorite food of the ...

During a perfectly normal monster hunt, Matt, Bruce, Dink, and Manson awaken a sleeping Gagab. The monster, who norma...

A pink monster is making the people of Joliville see the world through rose-colored glasses. It transmits its virus t...

During a garage sale, Grandma Average sells her old jukebox to the Schwarzes. When they get home and plug it in howev...

During a school field trip, the students in Matt’s class disturb a mysterious forest creature in its lair. The monste...

A new monster is spreading terror throughout the city. The Monster Agency wastes no time, and it puts up a sketch of ...

The Bovary Company does such a good job of sabotaging the Monster Agency’s ad campaign that they’re no longer receivi...

Matt has to track down a monster that is destroying all the sources of light in the city. Nothing should be easier fo...

One morning, the city wakes up covered in holes. Buildings, cars, notebooks, dirt, cups: everything has holes in it a...

An unusually speedy monster called the Ludofractor is attacking children’s toys, and each time the Agency arrives on ...

The Monster Agency is celebrating the capture of its 5000th monster. The press is gathered for the occasion, and Matt...

A monster is hiding in the hotel where the famous rock group The Scalps are staying. Anyone who comes into contact wi...

It’s Christmas in Joliville. Bruce’s mother has joined the Averages and the family is getting ready to enjoy Christma...

Manson is rehearsing a rock song in the Averages’ garage in the hope that she can play with her favorite group, Metal...

Matt is invited by his friend Sonia to the brand new multiplex in town to see Mr. Bunnylumps and His Cuddly Friends,...

It is very hot out, and a very thirsty, bubble-shaped monster makes his way into Matt's school to wet his whistle. He...

A mysterious monster is turning children’s dreams into nightmares! This means all the kids show up for Mr. Rasmussen’...

After his car is crushed during a monster hunt, Sheriff Wayne discovers that the Agency’s monster hunting license has...

Bovary can’t stand the Spring Festival that the town’s inhabitants put on every year, This time, however, she’s decid...

A group of monsters is meeting in secret because they’ve had all they can take from the Monster Agency! The Averages ...

Ellen wants Matt and Bruce to stop filling up on candy. From now on, they’re allowed to eat only fruits and vegetable...

Adrian is the smartest kid in the class, and he’s also really good at video games. So when a jealous Socrates tries t...

Ever since Ellen launched her new advertising campaign for the Agency, she hasn’t been home as much. And Bruce has tr...

When he misses a perfect chance to capture a monster, Bruce decides to stop monster hunting and sell pizzas. Matt is ...

It's a disaster! On the night before Halloween, a scary, insatiable monster breaks into the houses of the people of J...

While the Monster Agency and the Bovary Company begin a fierce competition to capture monsters, a security firm equip...

Sly the mailman is quietly delivering the mail on his bike when the fin of a monster comes surging up from undergroun...

​A monster that loves to eat mail appears in town. Letter carriers panic, mailboxes grow strangely hungry, mail is sh...

Jojo, the monster of Lake Joliville, has disappeared. The Supersop factory has been illegally dumping its waste into ...

Matt is finding monster hunting to be a little repetitive these days, and his mini-monsters are wearing him out. At s...

After being exposed to sewer monster, Matt turns into a monster himself! It's a race against the clock to find the an...

Sonia invokes an Indian curse that brings the city’s cakes to life. The Average Family is quickly entrenched in its h...

A monster is making a mess wherever he goes! Be it Sonia's parents' grocery store, the mail delivered by Sly, or the ...

Teachers and smart people are falling victim to a strange illness, and their once high IQs seem to be dropping. They ...

A magnetic monster is attracting metal objects to itself and gobbling them up. The mayor, who's been keeping an eye o...

When a story on the Agency is shown on TV, the public discovers mini-monsters and finds them adorable. Soon, everyone...

It wasn’t the first time Manson talked about her monster/brother in class. But this time, Socrates challenges her to ...

Matt is hoping to impress the jury at his school's sculpture competition. But with Theodore and Sonia there, the comp...

It's Dink's birthday. A blackout forces Matt's family to continue the party¿ in their van! Meanwhile, Professor Appen...

Manson looks ridiculous in her floral print dress. And she's not the only one: all around town, clothes are disappear...

Helen creates a TV ad for the Monster Agency. When the time comes to pick the monsters that best typify their work, t...

Manson does things her own way, and when she plays the guitar, she does so, in a strange, deafening manner that shatt...

The clocks in Joliville seem to be going crazy just as the Monster Agency shows up at the TV studio for their intervi...