Flint and Sam move to the other side of the island to take up an inventing-free life.

Flint and Sam babysit so they can buy a new board game, but when Brent hires them as his babysitter they have to decide whether the humiliation is worth the reward.

Flint and Sam reminisce about the first time they met when they went head-to-head at the school science fair and nearly destroyed the town.

Flint begs Sam to let him see her most treasured possession, but when Sam relents Flint damages it and has to find a way to make it up to her.

Flint invents a way to make sardines taste like bacon so Sam can eat one without gagging, but Flint's invention has a few bacon-related side-effects.

When Tim is celebrated for accidentally inventing a pencil holder, Flint gets jealous and starts to doubt his own skills as an inventor.

Earl goes undercover as a female student named "Pearl" in order to befriend Sam and find out what Flint's planning to invent next.

When they are teased for being too similar, Flint and Sam try to prove that they are totally different.

In a bid to make his classmates consider his idea for a science mural, Flint creates a toot-inducing bean.

Mayor Shelbourne brings a panda to Swallow Falls, but when the town falls under the panda's spell it's up to Flint and Sam to find out what's really going on.

To stop himself from being late for school, getting into more trouble, and missing all the fun, Flint decides to create a robo-rooster alarm from getting late for school.

Tim drags Flint out into the wilderness to participate in a Lockwood father-son tradition: catching the legendary Sardemon, the largest sardine in existence.

Flint gives Sam a Cloud-Maker for the anniversary of their friendship, but Sam's new cloud friend will not leave her side.

In trying to keep Sam from moving away, Flint accidentally animates the town's sardine statue, and it begins spilling the town's secrets.

Sam is determined to stop Swallow Falls' annual sardine race, which she firmly believes is animal cruelty.

When Steve wins the Swallow Falls lottery, townspeople line up claiming that they are Steve's best friend causing Flint to question Steve's true affections.

After hearing Flint brag about sleep-inventing the best invention ever, the Mayor sees it as a money-making opportunity.

When Flint accidentally combines himself with Steve, he must learn to live with the monkey inside him.

After encouraging Mr. Earl to have a day off, Sam and Flint learn he is too bored, and try to make things better for him.

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, a wish-granting fish named Johnny, but Flint and Sam put the entire event in jeopardy.

Flint is excited to discover there's another inventor in town, but Sam suspects the inventor has an ulterior motive for befriending Flint.

While attempting to debunk Hollywood pseudoscience, Flint accidentally creates his own Frankenstein-like monster.

When Sam predicts that a meteoroid will crash into Swallow Falls, she and Flint have to find a way to move the island out of its way.

Flint invents a device that will put a good picture of him into the yearbook, but it also puts him in every picture that has ever existed.