Brains is bored. Fred helps her find something new to do, and she falls in love with tennis! While she’s away, Fred opens a box of what he thinks are toys, but are actually a real army of small alien ships, which fly around attacking the lab. Brains combats them in a tennis racquet battle to the finish.

Friday finds a stray puppy, but its Fred and Brains who fall in love with it, paying more attention to the pooch than to him. When he starts to suspect the puppy of being more evil than he seems, they don’t believe him. Indeed, the puppy turns out to be a brilliant alien mastermind, intent on global domination.

Wally K’s bullying moves Fred to challenge him to a fight, secretly confident that Friday can become special fighting gloves for him. When Friday loses his memory though, Fred tries to cancel the fight, but can’t. Luckily, an attack by the cute aliens, the Cuddlemuffins take Wally down, and Fred gets the credit.

When Fred’s parents leave him home alone, he tries to throw the coolest party in history—until Principal Darling checks up on him. Friday replicates Fred’s mom, and Mombot puts the Principal at ease, before short-circuiting, and making the party extremely uncool.

The Super Commander orders Brains to host a special member of the Protectors, Agent Alpha One--a dashing agent Brains admires—who turns out to be both a phony, a problem, and…and actor?

Fred is not prepared to enter the school science fair, but at the last minute, he transforms Friday into a glove that dispenses soda from the fingers. He wins! Soon he learns though that the fair was an effort to find someone with small enough hands to blast into space and rescue the stranded Astronaut, and Brains’ hero, Caribou Caruthers.

Fred wishes he could look older, so Nora would like him as much as her pop star crush “Romeo Romero.” When he learns about the hair growth bugs that made Brains grow a beard-- he purposely uses them on himself. Now, whenever Friday shaves it off their beards, they grow back longer!

Fred pushes Brains to try to get more girlfriends, and fit in more at school. Since other girls are all reading the “Ghostlight” books, Brains tries it, and gets hooked. Fred doesn’t get the books girly appeal, and worries that he’s going to lose Brains to her new girly romance-loving crowd.

Fred insists Brains let him watch over her lab while she visits her father’s Space Station. She agrees under one rule: “Don’t press the red button.” The entire time she’s gone, he can think of nothing else.

Fred impresses his pals when he enters their favorite Robot Battle TV show (using Friday as his robot of course). When Friday demolishes the fan favorite however, instead of cheering Fred, they mourn “Speedy” the crushed bot. Brains rebuilds Speedy and her own girl robot, “Little Miss Missile Hands.”

When her Fake Robot Parents visit her school, Brains real Dad orders her to take the robots out more and let them interact with people…which is really embarrassing.

Rain keeps Fred and his buddies stuck inside, until Friday secretly clears the rain clouds, earning Fred the name, “Weather boy.” Brains warns Fred never to try that again, though Nora begs him to make her beach party have a sunny day. Fred’s tinkering attracts a strange gas cloud, which they must freeze, causing snow on the beach.

Fred has written Nora dozens of “love emails” but never sent them—until Sir Percival accidentally hit the “Send” button. To prevent complete embarrassment, Fred hatches a caper to keep Nora away from her computer long enough for Brains to hack into it.

rain’s alter ego Braianna has a reputation as a clumsy C student. When her math teacher pushes her to it, she blurts out the correct answer to an impossible equation, leading Mr. Fractal to assume she must be cheating. He demands a meeting with her parents, and her Fake Robot Parents nearly blow her cover.

Fred bargains with the girls basketball team to let Brains join the team. In return, he agrees to be team’s bunny mascot, commanding Friday into a pair of super-jumping shoes. His get up proves handy when Brains needs his help capturing a massive space chicken.

Fred and friends don’t have a place to play “Laser Ball.” An eccentric environmentalist inspires Fred to build his own island out of discarded plastic water bottles. When Friday is sent to collect a quarter million of them, he turns into a plastic water bottle menace!

Brains does not understand the appeal of Fred’s latest passion: Monster Mud Trucking. Friday makes his muddy dream a reality, never imagining they would awaken the evil Dirt Demons angry about how Humans treat them like…dirt! Brains saves all the boys from being mud statues by learning to love mud trucking.

Fred and Sir Percival are swapping practical jokes against each other. When Fred meets a hyper-intelligent mouse that Brains has, he “borrows” him to pull one last great prank. When the mouse goes missing, Brains informs them that no one else can defend them against the beastly Elephantoids!

Fred should not have played with his Dad’s trophy soccer ball, so when it falls into the sewer drain, Fred and Friday go find it. They encounter an ancient race of “sewer bears” who make Fred their king, before making him their dinner.

Brains must protect a space princess who has the ability to bend people to her will using her scent. While her political enemies try to steal her away, she tries to prove herself worthy of being a Protector.