When SWEET starts to realize that they've been getting dumber since the alien invasion started, they decide to do the unthinkable: start their own school! / Nate's just come up with the most brilliant plan ever to save SWEET's parents: SWEET will dress up as grown-ups and get adult-napped by the Brainlings!

Scoop and Lily start their very own exclusive girls' only club at the Swell Mart...and the curious Nate, the other boys and the Brainlings all want to crash the party! / The Swell Mart's running out power! SWEET will have to steal Brainling Farts to keep it going. But Brian isn't about to let SWEET run off with his precious fuel.

SWEET is stoked when Rusty Cheevers, the world's biggest pre-invasion pop star, holds a mysterious concert. Nate will have to unlock his inner Cheever fever to save his friends. / The Swell Mart is diiiiisgusting! Nate figures the only sensible solution to get the team to clean up after itself if to get Louis to build ROBOFOLKS! Too bad for the team, the Robofolks turn out to be way strict!

When Emperor Brainlius III decides to flush anything and everything down his royal toilet, SWEET have to journey deep into the sewers to unclog the drain... less the entire city flood with sewage...gross... / It's a race against age! When Shakes gets hit by the evil Briiian's age-ray, SWEET's most immature is slowly turning into an old man! Can SWEET reverse the effect and save Shakes?

Lily decides to build her own cardboard rocket ship to save her parents! Will Nate have the heart to tell her that cardboard isn't space resistant? / The Evil Brain tricks Shakes into falling in love with a lady Brainling hoping the later will lead him straight to SWEET's secret base.

Having watched every DVD in the Swell Mart, SWEET decide to make their own movie! But to SWEET's dismay Emperor Brainlius III wants the lead role! / Emperor Brainlius III's latest party is so loud it threatens to blow up the Earth! SWEET will have to crash the party to save the world!

Tired of being left behind at the Swell Mart, Louis invents a super heroic alter ego to go on missions. / Scoop stumbles on a piece of REAL news... but will the other believe her in time to save the Swell Mart?

Jumbo Ninja meets his match when Braiiian creates Super Jumbo Ninja; a ninja Brainling! / Nate and Emperor Brainlius III accidently switch places at a costume party!

When SWEET get sick they decide to go on the offensive and try to get the Brainlings sick too! / Shakes finds a new gig as Emperor Brainlius III's personal chef!

SWEET and the Brainlings have to figure skate for glory... and their lives! / Brainlius III's parade is set to collide with the Swell Mart. Can SWEET save it in time?

SWEET discover the Mall is haunted by a Ghost; a Grampa Ghost. / The Swell Mart is under attack by dreaded Werevambies!

Brian transforms Lily's Unicorn into a mechanized terror! / SWEET rescue their first grown-up... a super nerd Nate instantly makes his hero!

Lily befriends Emperor Brainlius III's Favourite pet. / SWEET celebrate Switcheroo day and swap roles with each other.