Henry Hugglemonster

Summer can't wait until her musical performance, when she'll sing and Momma will play piano as the Huggleflower makes its special sound. But, the show can't begin until the Huggleflower in front of the house blooms. So, the whole family works together to try to get the sun to shine on the Huggleflower.

When big brother Cobby tells Henry that he is too young to help build his spaceship model, Henry decides to play an outer space game with his little brother Ivor instead. Unfortunately, Ivor accidentally touches the spaceship and loses one of the spaceship pieces. Things get worse when Cobby thinks Henry lied when he says he didn't play with the spaceship!

Henry adds an entire jar of yeast to his bread dough and learns a valuable lesson about following directions when the dough gets so huge that forms a giant ball that rolls out the front door.

After watching Summer perform in one of her shows, Henry is inspired to put on a show of his own, but it doesn't go as planned.

Summer feels down about having to leave the family's monsterpet Beckett at home while the family goes camping to Rainbow Falls, so Henry figures out a way to cheer her up.

Summer gets the chance to perform live with her favorite pop singer, Isabella Roarson! Summer doesn't like the sound of her own voice and feels she can imitate Isabella's voice. Soon, she shows Isabella her perfect imitation but Isabella doesn't want a copycat for a duet!

Gertie brings her monsterpet, Sneezo, over for a playdate with Beckett. Problems arise when Henry does not obey Gertie's orders to keep Sneezo indoors where Sneezo will not sneeze due to the monster flowers, and Sneezo soon has an allergy attack.

Henry and his friends open a juice stand, but run out of the sweet flowers used to make the Hugglejuice.

Henry learns about the importance of keeping one's promises when he goes to play with Denzel instead of star in Summer's play like he promised her.

The kids of Roarsville decide to tidy up the town in an attempt to win a new playground in the Most Beautiful Town contest. However, they fail and soon decide to splatter-paint the buildings.

Henry and his siblings put their good table manners to the test when they decide to surprise Momma and take her to Signor Roartonio's Cafe for a nice meal. However, they soon taste a dish that makes them bounce and their parents become suspicious of their odd behavior.

When Henry and his friend Denzel find an old album cover featuring their mothers in a rock band called "Grrr Power," they come up with the idea to put together a reunion concert.

Henry invites the talent show judge, Mr. Growl, to the house for dinner in hopes of convincing him to allow Daddo to participate in the "Grr Factor" talent contest. To welcome Mr. Growl, Cobby soon blows up lots of balloons. But, too many balloons in one room of the house causes the house to start flying away! Worst of all Mr. Growl's afraid of heights!

Henry and Denzel argue over whose grandmother is better before the Iron Granny competition. So, Henry helps his grandmonster, Nan-Oh, train for the Iron Granny competition, but Denzel helps his Grand-Moh train as well! Soon, the boys get competitive about who will win.

Henry is determined to find a place for he and his friends to swim for the 'most roarsome day ever' when their plans of going to Monster Wave park are ruined when it starts to rain.

Henry trains Beckett for the first ever Roarsville Monsterpet Pageant, where monsterpets compete to win a ride on a parade float. But, Estelle ends up winning with Flopster, leaving Henry jealous.

When Gertie arrives at Henry's house, Henry thinks she came for a playdate but she actually just came over for a piano lesson with her piano teacher, Momma! So, Henry must figure out how to pass the time – quietly – while waiting for Gertie to finish her piano lesson with Momma.

When Henry and his friends need an extra player for Huggleball, Henry invites the new monster kid on the block to play. But, this new monster kid, Roddy Cloudmonster, starts to bully everyone.

Henry must take the tunnels under Roarsville to make it to his first day of Monsterschool on time when all the other methods of transportation don't work for him.

After a big gust of wind threatens to ruin Roarsville's annual Halloween parade, it's up to Henry to catch the gigantic balloons that flew away and save the day.

It's Henry's favorite holiday, Huggsgiving Day, where the whole family comes together to eat, play games and put on performances that reflect what they love about their family. But...problems arise when Henry's annoying cousin, Harry, visits and won't stop pestering Henry.

When Henry and Estelle Enormomonster's seed packets get mixed up, Henry winds up with a giant plant sprouting out of the top of his house.

Daddo asks Henry to help sort the mail at the post office on Valentine's Day.

When Daddo wakes up with a bad cold, Henry must come up with creative ideas to include him in the family sledding adventure.

Henry helps Estelle realize how fun it is to have a new sibling and become a big sister when she gets a new brother.

Henry and Ivor try to catch Daddo's cake.

Beckett goes missing with Shakey so the monsters set off to find them.

Henry and Cobby create a Knit-O-Bot to help the grandmonsters knit a playground.

Summer is asked to be the flower monster in Roartonio and Matilide's wedding, but she makes the wedding all about her and NOT the happy couple.

After being told he's not invited to Summer's sleepover, Henry crashes her sleepover party in various surprising ways in order to be a part of it.

Henry helps Summer make a roarsome movie before the Roarsville premiere.

It is the school science fair, and Henry is convinced that Cobby's invention is the best.