Oh No! It's an Alien Invasion
After aliens kidnap all of Earth's adults, a ragtag group of kids joins forces to get them back.
The Assistant / Hiccups
To save the Swell Mart, Nate must go undercover to Brainling HQ as Briiian's assistant! Then, Lily's hiccups are a potent weapon against the Brainlings! Will she be able to save SWEET's parents?
In Brian we Trust / The Shakedown
SWEET holds their leadership election and Emperor Brainlius wants the job! Will the team put their differences aside to make sure the Emperor doesn't become their new leader?
The Future is Now / The Boogieguard
After eating some expired yogurt, Scoop starts predicting the future! Then, after being rescued by Nate, Lily becomes his bodyguard to repay the favour. But Lily's over-protectiveness drives Nate crazy.
Brianlius III-IV-V / Dairy Drama
Emperor Brainlius III accidentally clones himself. The earth is soon overrun with thousands of Emperors! SWEET and Briiian will have to team up to stop their non-stop parties.
The Green Blur / Head of the Household
When Jumbo Ninja get zapped with a speed ray, he becomes the Green Blur. Then, Emperor Brainlius III falls in love with SWEET's robo-mom.
Food Court / B-Lost in the Hood
SWEET capture Briiian and put him on trial for being a mean alien. Louis and Scoop have to brush up on their survival skills when they get lost on a suburban camping trip.
Oh No It''''s Another Alien Invasion / Brainception
Shakes poses as an alien overlord as Nate stages an alien invasion to scare the Brainlings. Then, SWEET travel into Brainlius III's dreams to subconsciously convince him to release their parents.
Brain Bros / Sweel Mart PD
Nate makes a Brainling friend but the rest of SWEET does not approve. Then, Lily and Turret become Swell Mart cops but soon start arresting their fellow SWEET members!
Lily''''''''s B-Day / Just Goes to (Pet) Shop
It's Lily's birthday and the gang wants to throw the best party ever. Then, SWEET and the Brainlings battle it out to see whose pet is the cutest.
Dance Craze / Bike Psyche
Emperor Brainlius tries to discover a new dance craze. Then, Lily and Emperor Brainlius have a bike race.
Bandemonium / Dash Date
Impressed with YEAH's new theme song, SWEET decide to come up with their own. Then, Dash and Nate are caught in a Brainling trap: a date!
Stink Mouth / Brainlius the Musical
The gang needs toothpaste but soon discover Brainlius III ate it all…and it's given him super powers! Then, SWEET crash the premiere of the Emperor's new musical to trick him into releasing their parents.
Fangs but no Fangs / Grandpa Ghost II
Emperor Brainlius III thinks he's a vampire. Then, Grampa Ghost is back and turns Nate and Lily into ghosts!
S.W.E.E.T swap / the Belly Bag
SWEET and YEAH mount a big offensive against the Brainlings. Then, Nate is convinced the earth's grown-ups are in the Emperor's belly bag.
