Adam Young, a fourteen-year-old genius, starts work as a high school science teacher. When the school bully, Jordan "Slab" Slabinski, threatens to beat him up and steals Adam's master key and wreaks havoc throughout the school. Now Adam must get creative in order to resolve the conflict and outwit the big oaf, or his first day on the job could be his last.

When Adam has trouble controlling his class, he creates a robot student, Arthur, to enforce the rules. When Mr. Tater finds out, he figuratively says that he is going to kill Adam. However, Arthur takes it literally and tries to destroy Tater, as one of his directives is to protect Adam. Adam and Derby must stop his creation, or he himself could be "terminated."

Adam learns that Echo is taking the same route home from school and is excited to walk with her. That is, until he learns he has detention duty and the only way to get out of it is to prevent anyone from getting in trouble...including Slab.

Adam becomes jealous when Derby accidentally invents a miracle hair growth formula. When someone wants to market his formula, Derby has to recreate it but can't remember what it was. Meanwhile, Ivy needs to pass her CPR course.

When Adam's "college buddy," a gorgeous twenty-three-year-old girl, comes to visit, Adam thinks she wants to be more than just friends. Derby finds out that she has a boyfriend and has to try to stop Adam from embarrassing himself on their date. Meanwhile, Echo convinces Slab to stage a non-violent protest to prevent Tater from getting rid of the vending machines while Slab gets her to bully people for him.

Adam tries to get the school's ban on cheerleaders lifted by solving a twenty-five-year-old mystery.

When a botched experiment in Adam's lab creates a gas making everyone tell the truth. When Tater finds out, he places Adam, Echo, Derby, Slab, and Ivy under quarantine. Derby makes Slab cry and then tries to apologize, but he keeps saying the wrong things. Adam tries to prevent any form of communication between him and Echo because he's afraid that if he talks to her, he will tell her how he feels about her. Ivy tries to get out of the school to get to the mall, but Dang keeps stopping her.

When Adam discovers that Slab is secretly taking ballet, he and Derby follow him to dance class hoping to blackmail him into behaving at school.

When no one is willing to sign up for the talent show, Mr. Tater offers a get out of detention free card as incentive to sign up. Because no one is getting detention, except for Derby, Tater starts to make new rules in order to give out detentions. When he sees Ivy texting in the hall, he tells her that there is a new rule against it. To avoid getting detention and having to sign up for the talent show, Ivy tries to use different forms of long distance communication, but Tater bans them all. Meanwhile, Adam convinces Echo to sing in the school talent show, but when he realizes she's a terrible singer, he tries to prevent her from taking the stage. Meanwhile, Derby searches for a talent to use in the show.

After Adam finds out that Echo is taking her "little sister" to the school carnival, Adam signs up to be a "big brother"so they can spend the day together. Unfortunetly Echo's "little sister" starts stalking Derby while Adam's "little brother" spends a lot of time with Echo.

Adam is made faculty advisor for the school play "Romeo & Juliet", but when Tater casts Echo as Juliet, Adam tries to prevent her from kissing another Romeo.

Adam holds an overnight astronomy class in the quad, but finds himself competing for his students' attention with principal Tater, who treats it like a camping trip.Adam tries to trick the class into camping with him. Meanwille Ivy plays a horsing game with the janitor

Adam wants to be paired with Echo in a computer match-making fundraiser and will go to any lengths necessary to ensure his questionnaire answers match hers.

When Adam's mom sells his prized "Mr. Marvelous" comic book to Slab, Adam dresses up as the superhero in an attempt to get it back.

Adam believes that a professor has been nominated for a Nobel Prize, based on research he stole from Adam. When he and Derby break in to the professor’s office to search for proof and discover he’s blind, Adam convinces Derby to become a seeing-eye dog, and sniff out the evidence.

With Adam as a judge, the students try to make a school song.So when all the songs turn out bad everyone does it together.

Echo wants to create good opportunities for Adam after she found out that they disgraduated him after Grade 3.

Adam attempts to clone Echo's hamster with monstrous results after it dies in his care. Derby tries to keep Ms Byrne busy and out of the classroom by faking a cruise.

It's Halloween night, and Echo invites Adam to go to a horror movie screening at the school. But in order to attend, a grounded Adam must lie to his Mom about where he is going.

Adam tries to get his students to appreciate having a young teacher by pretending to be his own substitute, a cranky old man. The students apreciate his subsitute so much that Principal Tater fires Adam! Adam protests so Tater offers a 'teach-off' between the two. Can Adam be in both teachers at the same time?

Finnegan High School staff members are auctioned off as servants for a day as a fund-raiser. Adam hopes for a day with Echo but she goes for the unwanted Mrs. Byrne leaving Adam for his own sister's evil plans.

A famous and now dead artist was once an art teacher at Finnegan High. Could he have left some hidden artwork at the school which could now be worth a fortune? Mrs. Byrne, an old flame of his, is the one that holds the answer to that question if she could only remember the answer!

Adam gets a new student: Joseph, a ten-year-old genius. At first, Adam is thrilled to have a younger version of himself to mentor. But when he is shown up by Joseph, he lets jealousy get the best of him.

After being pranked by his students, a fed-up Adam quits Finnegan high school and takes a job in the NASA Space Program.While trying to impress his friends with his new job at NASA, Adam accidentally launches them all into outer space.

After being pranked by his students, a fed-up Adam quits Finnegan high school and takes a job in the NASA Space Program.While trying to impress his friends with his new job at NASA, Adam accidentally launches them all into outer space.

When Adam is accidentally doused with moth pheromones, he suddenly becomes the object of Echo's attention... but fears he may be turning into a moth. This episode is shown to be Echo's dream where she cannot believe she was attracted to Adam, however she looks at him with a feeling that she really does like him.

After a prank gone wrong Derby accidentally knocks Santa out of his sleigh on Christmas Eve, causing him to lose his memory. So Adam, Derby, Echo, Ivy and Slab delivered the presents to the world. When they come back (everybody except Derby), they find out that Santa only pretended to lose his memory, and claimed he was lazy and he himself was on the naughty list. This show is mostly Derby's dream.

The producer of the popular science-based TV show, "Science Schmeince" arrives at Finnegan, looking to hire Adam as the show's new host. Adam agrees, seeing this as a great opportunity to spread his love of science to a broad audience. But, when the producer grows bored of Adam's science-y technobabble, he hires Derby as the zanier host of the show.

Adam follows Echo to the exotic country of Sanduras in the hopes of spending time with her, but he keeps getting pulled away by his guardian, Mrs. Byrne. Meanwhile, Derby and Slab travel to Sanduras by hot air balloon, and Tater and Dang search for a legendary beast: the Sasquawk.

Set on teaching his students the importance of getting a good night's rest, Adam conducts a sleep deprivation experiment at Finnegan. He uses his students as the test subjects, and challenges them to stay awake for the entire night, while hanging out in his class. As the night wears on, the group endures everything from exhaustion to hallucinations, while the various effects of sleep deprivation set in.

Adam follows Echo to the exotic country of Sanduras in the hopes of spending time with her, but he keeps getting pulled away by his guardian, Mrs. Byrne. Meanwhile, Derby and Slab travel to Sanduras by hot air balloon, and Tater and Dang search for a legendary beast: the Sasquawk.

With Principal Tater constantly on Adam's back, Adam and Echo decide to calm his frustrations by finding him a woman. This proves more difficult than expected. But when Echo convinces Adam to match Tater up with Adam's mom, Rachel, everyone is happy everyone, except Adam. Meanwhile, Derby tries to cure Slab's phobia of milk.

Having had his career ruined by Derby, Preston Pickles takes a job as Finnegan High's new shop teacher. But while no one else will believe him, Derby is convinced that Preston is trying to get rid of him. Derby must find a way to restart Preston's career as an infomercial pitchman, or face the wrath of the Derbinator 3000.

Adam pretends to be a student at Finnegan High, so that he can join the Quiz Team and help Echo win a trophy. But when Slab takes Echo's spot on the team, Adam tries to force Slab off, so Echo can take his place.

The red carpet is rolled out for Finnegan's brightest stars to present their movies at the first annual Film Festival. With each student submitting a film, entries run the gamut from a sappy romantic comedy, to a 3D action thriller, to a Kung Fu extravaganza. May the best movie win!

A teenage girl, Brap, is accidentally transported from her home in the rainforest to Adam's classroom. She speaks no English, has superhuman strength, and believes she is an elephant, the animals she was raised by as a baby! Impressed by her animalistic nature, Slab falls in love at first sight. But Brap only has eyes for Adam. While Echo and Adam try to help Brap fit in at Finnegan, Slab tries to win her affections. Then Ivy trains Brap to be like her and renames her Briannna (as she claimed it was with 3 n's) and teaches her to talk and teaches her that she is a homosapien.

In hopes of getting Derby to stop acting up, Adam and Principal Tater decide he needs some responsibility. They suggest Derby run for Student Council President. However, when Derby does them one better by campaigning for School Superintendent, Adam and Tater must stop him from winning or risk losing their jobs. Meanwhile, Echo helps Slab for his cousin's birthday.

Adam's robot from a previous episode, ARTHUR, returns after being defeated and recycling himself and reprogrammed himself to make android copies of all humans, but the person he is based on comes and he knocks him unconscious at the end. Meanwhile, Echo writes a report about the dangers of robotics, but chaos ensues when the robot Echo holds a paper about the wonders of robotics. But the Derby robot does not get replaced.

When Adam finds out that Echo is obsessed with Dark Demon, a heavy metal musician that Adam knew in college, he tries to get his old friend to come to Finnegan High. But when Dark Demon refuses to make an appearance, Adam pretends to be the leather-clad rocker, and must perform at Echo's Save the Ferrets benefit.

After Slab threatens Derby for tattling on him to Principal Tater, Derby fears retaliation and asks Tater for protection. Tater offers Derby a chance to pose as an exchange student from Britain, Simon. As Derby masquerades as Simon, Tater must convince Slab that Derby has actually moved away.

After Adam secretly tweaks Echo's science fair project, she wins first prize. With everyone thinking Echo is a genius, she is instantly graduated from Finnegan and offered a full scholarship to Great Northern University. Now Adam, with the help of Derby and Slab, must crash a frat party and convince Echo to come back to Finnegan.

When Adam can't get his class to stop talking, he assigns them oral presentations on the world's greatest discoveries. Through a series of flashbacks, our gang reenacts the events that led to the discovery of plutonium, the lightbulb, fire and more.

Adam tries to get Derby off of a computer game called Pixel City. Derby is spending all his time on the computer, playing "Pixel City," as his virtual alter-ego, Antoine Bolognese. Set on convincing Derby to rejoin the real world, Adam enters the game to track him down. But it won't be easy, since Derby has digitally recreated the entire Finnegan gang to serve and protect him.

Adam's plan to take Echo to the school dance is foiled by Principal Tater. Determined to catch a notorious prankster, the "Gagmeister General," red-handed, Tater recruits Adam for a stakeout. Meanwhile, Ivy tries to get sympathy votes for Queen of the Dance by taking Derby as her date.

When Derby didn't get his free toy with his cereal, he and Adam goes to Cyclops Foods to talk with the head of the company, an actual one-eyed cyclops. Meanwhile, Slab joins the school's knitting club, and later gets obsessed with it, but it turns out to have caused more trouble as the nerds are messing around too much with the school.

Adam's neural-imaging unit goes on the fritz, accidentally switching the gang's personalities. In order for Adam, Echo, Derby, Slab, Ivy, and Dang to return to their own bodies, they must work together to fix the machine before Principal Tater discovers their secret.

Adam, Echo, Derby, Ivy and Slab tell the principal how they destroyed Tater's scooter in aseries of flashbacks. When Adam, Echo, Derby, Ivy, and Slab find themselves waiting outside Principal Tater's office together, they realize they're all in trouble for the same crime - wrecking Principal Tater's scooter. We hear their stories, which include hamsters being born, chickens being freed, and trips to Ireland.

When Adam coaches the Engineering Squad in a paper airplane competition he finds that Slab is a master at it and recruits him.Meanwhile Ivy is trying to look ugly so that the nerds will want to "obtain" her. With the paper airplane competition approaching, Finnegan High's Engineering Squad has no hope against rival Western High - that is, until Adam discovers Slab's untapped paper-folding genius. Adam must convince Slab to embrace his inner nerd and join the squad.

When a dreamy new English teacher shows up at Finnegan High and impresses Echo with his poetry, Adam becomes jealous and tries to make it so that he never sees her.

Echo gets "nurse" on her aptitude test, but when she decides to disbelieve it, Adam goes to great lengths to try to convince her that it is her ultimate profession; he becomes an alligator wrestler.

The school loses power and the students try to live without technology when they accept a dare from Principal Tater.

Adam invents an invisibility suit and uses it to spy on Echo. Meanwhile, Echo tries to impress a boy when she has to work on project with him.

The morning after Halloween, the gang tries to remember what they did during their candy-fueled haze the night before

Arthur returns and makes Adam & Echo babysit Arthur's kids. Meanwhile, Derby and Ivy decide to dress up as robots so they can make friends with Arthur. ARTHUR returns to Finnegan with his new robot family and asks Adam to babysit his "grandkids." Adam agrees and tries to impress Echo with his parenting skills, but soon realizes that dealing with kids is not as easy as it looks.

The class goes to a Magic Mansion. Adam tries to get rid of everyone with a "magic box" so he and Echo can be alone, and in a string of odd events later ends up trying to saw Echo in half. Meanwhile, Principal Tater tries to get a new membership card.

Adam can't get peace and quiet so he buys his own apartment. Thing go wrong when everyone piles in for their own reason. So now, with the help of his mom, they try to get out of the lease. Meanwhile, Tater enlists that Dang help in fooling his new girlfriend Gwen that he's a billionaire living in a mansion. He ends up telling her the truth thinking that she'll like him better but she doesn't and she leaves. Adam ends up selling Tater his apartment.

Adam makes a drink that will make him more confident to ask Echo out, but it ends up wrong when he turns into a monster. And even worse is that whenever he talks or thinks about Echo being cute he turns into the monster. Now he must stay away from Echo to prevent from turning into the monster. But in the end, Echo accidentally drinks the potion and now when she thinks about Adam being cute she turns into a monster.

Adam accidentally gets Santa Claus's elves fired and must work to get them rehired, or feel their pint-sized wrath.

Time is accelerated after an experiment went wrong; Adam and Derby age.

Derby dates a girl and suddenly realizes that she is related to Mr. Pickles.

Adam is hired as a science advisor for a sci-fi movie being shot in Finnegan.

Adam tutors Ivy in exchange for tickets to a music festival.

Adam is determined to join Finnegan's secret club.

Echo gets sick on Valentine's Day, so Adam shrinks down to fight the cold.

After freeing a Sasquawk, a giant chicken monster, Adam is kidnapped by the beast who loves him.

Ivy invites Echo to a slumber party at the Young house; Adam must now stop Echo from discovering a shrine that exposes his true feelings for her.

When Echo decides she and Adam should set each other up on a double date, Adam must try to find a date who Echo won't fall for.

A student takes credit for writing Adam's love letter to Echo and Adam must prove that the student is lying before Echo falls for the wrong guy.

While taking Ivy on a tour of Great Northern University, Adam and his old professor tell Ivy about Adam's first day on campus.

In order to make a better first impression on Echo, Adam uses a time machine to travel back to his very first day as a science teacher.

In order to make a better first impression on his crush Echo, Adam uses a time machine to travel back to the past to meet her for the first time all over again. After returning to the present he realizes his plan has backfired and he has to time travel back again to repair his relationship with Echo. However, the time travel mishaps multiply and spiral out of control and soon Adam’s meddling in the past has him scrambling to keep from being permanently stuck there.Eventually by the end Adam decides to not change the past and goes back to the present. There Echo tells Adam that she likes him and they start dating. They then kiss. They decide to keep it a secret from everyone else.

Adam uses a time machine to go back in time so he can make a better first impression on Echo.

When Derby almost gives away the secret that Adam and Echo are dating, Adam plots to erase Derby's memory. However, Adam gets Preston Pickles to advertise and use Derby to volunteer the Memory-Erase machine but he uses Echo and erases her memory that she is in love with Adam!

Mr. Kidd's students like him a lot and think he's fun even though he does the same thing Adam does. Adam tries to change the Memory-Eraser to make it bring back Echo's memory, then Mr. Kid finds out but promises not to tell anyone or to get together with Echo. Slab and Ivy have to do a book report on George Orwell's 1984. They borrow Mr. Tater tape of the movie and when they see it they find out that Adam's mom and Tater used to date and they kissed. Ivy states that she never knew her father. Adam and Ivy's hair consistently falls out, which may mean that their father is Tater. Mr. Kid uses the reversed Memory-Eraser on Echo and they start dating. Shortly after he uses it on everyone and they forget that Adam ever existed. At the end Echo remembers Adam when they kiss. Then he restores everyone’s memory by kissing them, Mr. Kidd gets fired.

When Mrs. Straupersson is found dead, Ivy gets put on trial.

Cyclops Foods buys Finnegan High after it goes broke and tests new products on the students.

A TV news program comes to interview Adam about being the world's youngest high school teacher. To ensure the interview goes smoothly, Tater has dumped Echo, Derby, and Slab in a fake version of Finnegan High.

A Hollywood writer comes to Finnegan with the intention of making a TV show about Adam. But he is distracted by Echo, Derby, and Ivy, who all think they have better ideas for TV shows, starring themselves.

Dang is called back to Vietnam to take over for Master Ki as guardian of his village. The gang heads to Vietnam to try and convince Dang to come back to Finnegan for graduation. While there, Adam discovers an ancient scroll that points to the mythical fountain of youth, which if found, could make Master Ki young again, releasing Dang from his duties. But to find the fountain, Adam must go up against Echo who is trying to preserve the leaf monkey habitat.

While Adam and Derby explore a hidden, underground temple in search of the fountain of youth, Tater helps Echo learn about monkey behavior, and Ivy helps Slab prepare for his first ever cover model photo shoot. All roads lead to a confrontation with a local fancy hat factory owner, who has been keeping a secret from the villagers for generations. In the end, Adam gets the gang back to Finnegan, just in time for graduation.