After a talk with Jokey and Poet, Hefty is convinced that his nose is too big and he wants a new one because he thinks Smurfette is uninterested in him. When he asks Papa Smurf, he refuses, so Hefty uses a spell that enlarges his nose.

When everyone is tired of changing Baby’s diapers, Handy decides to invent a robot that will do the job.

When Smurfette rescues Brainy from a giant snake, the other Smurfs ask her to teach them “Smurf-Fu.”

Wimpy Smurf challenges Hefty to a fight. In an accident, Wimpy wins and is treated like a strongman. Smurfette, who knows how Wimpy won, helps Hefty to become the strongest again.

While on a scooter, Brainy causes Papa Smurf to drop his latest experiment and as a result, he becomes invisible. In order to make him visible again, he, Brainy and Smurfette have to get a whisker from Azrael.

Upon teaching Scaredy to conquer his fears of bears, Smurfette and Brainy figure they could use Papa Smurf's hypno glasses to hypnotize Gargamel to stop catching Smurfs. This backfires and he falls into the mind control of Azarel. Brainy must get back the hypno glasses and de hypnotize him.

Lazy Smurf no longer wants to miss the important moments in the Village, so Handy builds him a special alarm clock to keep him awake, but it keeps the rest of the Smurfs awake as well. When the others want Lazy to turn it off, Lazy refuses and hides in the forest, but he finds himself facing Gargamel.

It's Halloween, the holiday that Scaredy hates. During the annual party, he blends into a monster suit from Papa Smurf and wreaks havoc in the village. However, the Smurfs don't seem to know that it's Scaredy and keep running away from him.

Clumsy is kidnapped by Gargamel again and he reveals a magic amulet that makes him the opposite of what he is. He offers to give it to him in exchange for the location of the village. When Clumsy refuses, Gargamel makes sure to let him "escape". Clumsy takes it without knowing that it contains a tracking device that will lead Gargamel straight to the Smurfs' Village.

Smurfette and Smurfblossom notice that Grouchy is never happy. To make up for it, they bring him on a hike with the help of Hefty, Handy, and Papa Smurf. The attempt to do so fails extremely, and they end up trapped on a large mountain. They have to find a way to get back up, while also trying to make Grouchy smile.

While Handy and Smurfstorm are bickering, they overhear Gargamel's plan to make Azrael fly, so they create they're own flying machines. Meanwhile, Gargamel makes Azrael fly by using the magic amulet (see Clumsy Not Clumsy).

Vanity is tired of Jokey's exploding box, so he and a couple other Smurfs use magical explosive powder. However, it backfires when the potion creates a bunch of mini-Jokeys, who wreck havoc in the village. They eventually strap Papa Smurf onto a rocket and Vanity and Jokey team up to defeat them.

Scaredy and Hefty accidentally break Papa Smurf's telescope while cleaning his lab, so they disguise themselves as girls to avoid punishment. When Smurfette learns about this, she helps them blend in with the others. However, it becomes harder to keep up the act when Papa Smurf tells them about the Iron Smurf Girls Tournament, a competition where Smurfettes compete to hold an egg from breaking.

An Alien arrives in the village and takes on the form of a Smurf and forces the Smurfs to be his friends. Smurfette must save the day from the alien with the help of Smurfblossom, Smurfstorm, and Smurflily.

Scaredy Smurf is tired of being scared. With the help of the Handy, he becomes a self proclaimed "superhero" around the village (in reality, he causes havoc among the village). But when Bigmouth arrives, Scaredy actually has to face his fear.

Gargamel steals the sasparillia harvest that the Smurfs use to eat pies. When they find out, they become miserable and they have substitute with blueberries. Meanwhile, Jokey, Brainy, and Chef Smurf begin suspecting that Greedy is the culprit until they understand that it was Gargamel's plan to attract them to the sasparillia field, which is now filled with traps.

Vanity convinces Tailor Smurf to make a new outfit for the Smurfs. After Jokey gets a hold of it, he and a few other Smurfs greatly change it up, which causes Vanity to accuse Tailor of being a bad Tailor, which causes them to fight in an all-out war. Other Smurfs begin rooting for one or the other and abandon their clothes until a new outfit is made.

Dimwitty finds an egg in the forest and becomes a "mother" and names it Dimwitty Junior. When the other Smurfs realize he has no parenting skills, they teach him everything they know about parenting, but Dimwitty learns that the baby will be better with his real parents.

After Clumsy saves Chef from a large rock, he lets Clumsy cook for the Smurfs, but he doesn't do a very good job.

Papa Smurf decides to organize an election that will appoint the Smurfs who will be part of the Special Brigade responsible for defending the village. The chosen ones are Dimwitty, Lazy, Scaredy, Clumsy, and Baby. When Gargamel attacks the village and captures all the Smurfs, except the five chosen ones, they have to get along and save their friends.

Chef leaves the village after Brainy criticizes his cuisine. He goes to cook for the ogres, but they aren't satisfied.

Jokey gives Farmer's racing snails a potion to make them super fast. However, the snails continue their race out of the village - without Chef, Smurfstorm and Hefty on them, so Jokey has to go look for them in the forest.

Clumsy and Dimwitty want the Smurfs to feel like they're both helpful, so they are tasked with taking care of Baby.

Brainy and Smurfblossom enter a universe where the Smurfs are mean and Gargamel and Azrael are kind.

Chef Smurf becomes jealous of Smurflily when she starts making waffles that are better than his. He tries to find ways to figure out what her secret is.

When Brainy gets hurt, Papa Smurf asks Monkey to take Brainy's place as his assistant.

A freak accident causes the Smurfs to turn into babies. Smurfstorm has to take care of them while also trying to find a cure.

Jokey has fun transforming Poet so that he looks like Gargamel's Mother. When the joke backfires and they find themselves stuck in Gargamel's hovel, they will have to manage to escape without being caught by Azrael and later, Gargamel's mother.

When Brainy learns that Gargamel is trying to transform into a Smurf, he puts a new security protocol in place: the Smurfs must share one of their secrets to prove their identity. Eventually, Gargamel infiltrates the village disguised as a Smurf, so Brainy has to save his friends.

Gargamel convinces Dimwitty and Smurfbegonia that he has become kind, so they invite him to the village to celebrate a big party in his honor.

After chanting a spell to get in touch with her inner warrior, Blossom unknowingly takes Storm's warrior spirit.

When Vanity and Jokey start riding skateboards around the village, Brainy believes they're dangerous; he sets up to teach Jokey and Vanity the rules of the roads.

Farmer and Vanity find a chest that contains a magical jewel, but it gives anyone bad luck who touches it. After they figure it out, they decide to bury it, but Vanity, who still wants it, runs away with it.

Gargamel casts a spell which makes everything that Grouchy complains about appear inside his hovel.

When Gargamel accidentally breathes in the pollen of a rare flower, it instantly wipes his memory.

In search of the scoop of the century for his newspaper, Reporter Smurf attempts to interview Gargamel.

Dreamer tries to become a knight, but his annoying antics make him some new enemies that land him in danger.

After an accident, Clumsy belives that the only place where he could not be clumsy is the sky, so he asks Handy to teach him how to fly a plane.

Gargamel plants a crystal ball to spy on the Smurfs, but they turn the tables on him.

When Brainy bosses all the Smurfs around one time too many, Jokey makes him compete for a fake award.

Wanting to impress his Mummy, Gargamel creates and leaves a magic cabinet that imprisons anyone who looks into its mirror in the forest. Unfortunately, Brainy, Blossom, Storm, Hefty, and Farmer are taken inside and Vanity must save them.

Gargamel exchanges bodies with Papa Smurf and enters the village as him. Only Timid knows the truth and must speak up.

When Vanity notices that he has a pimple on his nose, he breaks into Papa Smurf's lab and steals a lotion to get rid of that pimple, but it turns him into a fire-breathing lizard.

When they get captured by Gargamel, Papa Smurf, Willow and Vanity offer to help the sorcerer impress his mother.

A generic Smurf wants to feel important and respected, so Vanity gives him a makeover that he now looks like Papa Smurf, but he will have to learn what it is to have responsibilities.

Smurfette takes Clumsy and Dimwitty's place as a fire brigade when they get into a big fight and does a better job, making them jealous.

After Poet mentors Lily in rhyming, he experiences "poet block" during the poet slam contest.