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Flint asks Sam to train him for the annual father/son horseshoe contest, which uncovers Sam's troubled past with the sport.

Sam makes Flint a new tricked-out labcoat to replace his old smelly one, not realising it was a gift from his mom.

Frustrated that the town doesn't appreciate the beauty around them, Sam makes Flint invent something to force them to do so.

Flint feels obligated to help out another inventor in town.

Flint and Gil argue over who has a better dad, setting off a secret competition pitting Tim and Mayor Shelbourne against each other, in a battle of parental prowess.

Flint is made a tempting offer when he sells his inventions at a yard sale.

Flint invents a time machine to make his father like desserts.

Tim's brother, Jim, comes to visit.

Flint decides to have some fun when he is in charge of a birthday piñata.

Flint is fooled into creating a fish-cyborg army for Mayor Shelbourne.

When Flint gets Earl in trouble with his wife, Earl demands Flint help him get back into her good graces.

Flint shares his tale of how he invented Ratbirds.

Flint tries to get his father to eat healthier by inventing a spray to make Tim love fruits and vegetables.

Flint invents the hair unbalder when he realises he'll go bald one day, but Tim offers him another point of view by showing him the perks of being bald.

Sam and Flint accidentally cryogenically freeze themselves in the town's time capsule, and emerge into a post-apocalyptic future.

Sam discovers and spills the beans that the Mayor's first name is Tootsie.

After being inured by one of Flint's inventions, Tim's doctor wants him to relax, and Flint has just the thing to help.

Mayor Shelbourne buys up all the town's candy at Halloween and promises to give it all to the kid who makes it through his super scary haunted house.

Brent is furious when Flint and Sam expose that he is no longer a baby.

Steve falls in love with the cymbal-smashing electric monkey Flint brought in to replace Steve while he was on vacation.

Flint enters his fearsome robot into a robot boxing competition, and when it comes face to face with Mayor Shelbourne's robot, the results are explosive.

Flint and Sam find a lost cat, and Sam sabotages efforts to find the owner so she can keep it.

Flint accidentally makes a clone of himself, and is shocked to discover his clone is more popular than he is.

Flint builds a spaceship for an Australian businessman, Mr. Zorbleck, who may or may not actually be Australian.