Flint creates an invention to take out the garbage, but it soon starts deciding for itself what - and who - counts as garbage. Swallow Falls prepares to celebrate the birthday of its oldest sardine, but Flint and Sam put the whole event in jeopardy.
When Alice's prized Inspector Brioche action figure mysteriously goes missing, she and Unicorn must take up their own investigation. When Unicorn 'goes away' for the weekend, Alice savors the alone time.
To get Lily to stop crying, the kids give her an old singing toy from the attic, but it quickly drives them crazy. Dad declares war on the kids' devices so they decide to show Dad how great electronics and the internet are.
The Quads secretly rent out the garage so they have money to make their own house rules. But they've accidentally rented it to a rock band that slowly takes over the house, forcing the Quads to beat the band at their own game.
Phoebe joins the 'cool' group for a class project, only to find that they do not want to work as hard as she does. Max takes Phoebe's usual spot in her friends' group, and tries to coast by letting them do all the work.
Captain Man and Kid Danger are invited by a famous internet celebrity to attend his party, but when they arrive they discover the party is not what it appeared to be. Meanwhile, Charlotte babysits Piper.
A series of disappearing kids around Halloween doesn't dampen Dave's festive spirit, as he and his two older siblings visit a spooky pumpkin patch. But the sinister farmer has more tricks than treats in store for them.