Mr. Young

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.

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.

Adam returns from his latest trip to the past to discover that he has now been fired from his job, Echo has transferred to a new school, and Derby is the biggest pop star in the world.

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

The gang follows Dang to Vietnam, in hopes of convincing him to come back to Finnegan in time for graduation.

Adam wants Dark Demon to play at Finnegan High.

It's 14-year-old Adam's first day as a teacher; Slab steals Adam's master key and wreaks havoc throughout the school.

Struggling to keep his class in line, Adam creates a sophisticated robotic student designed to discipline students; it malfunctions and threatens to terminate Principal Tater; Adam must stop his creation, or he himself could be terminated.

Echo graduates early.

Adam masquerades as a student so he can partner with Echo on the Quiz team.

Adam tries to get the school's ban on cheerleaders lifted by discovering who glued a chicken mask to Tater's head 25 years ago; his mother was blamed, but DNA proves her innocence.

When Adam's old university study buddy comes to visit, Adam is excited to catch up and geek out like they used to; when Derby realizes the buddy is actually a gorgeous, blonde 23-year-old girl, he convinces Adam she has a huge crush on him.

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

The gang follows Dang to Vietnam, in hopes of convincing him to come back to Finnegan in time for graduation.

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

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.

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

Adam tries to stop Mr. Kidd from stealing.

Adam and Echo struggle to keep their romance secret from Principal Tater; when Derby discovers the truth and almost gives away their secret, Adam plans to erase Derby's memory.

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.

Adam returns from his latest trip to the past to discover that he has now been fired from his job, Echo has transferred to a new school, and Derby is the biggest pop star in the world.

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

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

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.

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

Derby wins the heart of the new girl at school, only to learn she's off-limits because she's the daughter of Preston Pickles, Derby's sworn enemy.

While experimenting with a white hole, Adam accidentally causes time in his classroom to move fast; as he works to solve the dilemma, he and Derby age sixty years over the course of twenty-two minutes.

After freezing when Echo asks Adam to join her at the sci-fi convention, he creates a serum that will give him more confidence; unfortunately it also turns him into a monster; Adam must wait for the effects of the serum to wear off.

Adam has trouble getting some peace and quiet at home, so he decides to rent an apartment of his own; but when Derby, Echo, Slab and Ivy all come over and want to use his new pad, Adam starts to wonder if home wasn't so bad after all.

Adam invents an invisibility suit and uses it to spy on Echo.

The school loses power and the students try to live without technology.

Echo gets ``nurse`` on her aptitude test.

When a dreamy new English teacher shows up at Finnegan High and impresses Echo with his poetry, Adam becomes jealous.

Adam coaches the Engineering Squad in a paper airplane competition.

Adam, Echo, Derby, Ivy and Slab tell the principal how they destroyed Tater's scooter.

When Adam's brain mapping experiment goes wrong, the gang's personalities are switched.

Derby and Adam confront a food corporation when their cereal doesn't have the ``free toy``.

Adam's plan to take Echo to the school dance is foiled by Principal Tater.

The gang recounts some of history's greatest discoveries.

Echo graduates early.

Derby enters the Finnegan High Witness Protection Program after telling on Slab for bullying.

Adam wants Dark Demon to play at Finnegan High.

Adam's robot invention returns to Finnegan High with his sensors set on revenge.

Adam and Principal Tater suggest Derby run for Student Council.

Preston Pickles returns to Finnegan High as a shop teacher with revenge in mind.

Producers of a popular TV show arrive at Finnegan and hire Adam as the new host.

Adam uses his students in an overnight sleep deprivation experiment at Finnegan.

Adam and Echo devise a plan to get Principal Tater off Adam's back.

Adam heads to exotic Sanduras for the summer; Derby and Slab travel by hot air balloon.

Echo is kidnapped, so Adam enlists Derby and Slab for the rescue; Tater and Ivy vie for a Sanduras soap opera role.

Adam is afraid he may be turning into a moth.

A fed-up Adam quits Finnegan High and takes a job in the NASA space program.

Adam is excited when he gets a genius as a new student, until he is shown up by him.

Adam, Tater and the students search for lost art work after hearing that the great artist Fernado once taught at Finnegan High.

Finnegan raises funds by auctioning off staff as servants.

Adam dons a disguise and pretends to be a substitute teacher; Tater finds the perfect replacement.

Adam attempts to clone Echo's hamster with monstrous results after it dies in his care.

Echo realizes that Adam had missed out on all the iconic school moments during picture day.

Principal Tater has the students compose a new school song.

Adam believes a blind professor stole from him, convincing Derby to spy for him.

Adam tries to get a sold comic book back by dressing up as a superhero.

Adam wants to be paired with Echo for a fundraiser.

Principal Tater lures the class away from Adam at an overnight astronomy camp-out.

As faculty advisor for the school play, Adam casts Echo in the lead role so he can spend more time with her; but it all goes wrong when he learns the play will be ``Romeo and Juliet,`` and Romeo will be played by the older, good-looking Hutch Anderson.

Adam signs up to be a ``Big Brother`` so he can spend the day with Echo and her sister.

The school talent show is coming up and Adam convinces Echo to sing; he overhears her rehearsing and discovers her voice sounds like a jungle cat in distress; she has no idea; to save Echo from school-wide embarrassment, Adam secretly devises a plan.

Adam and Derby follow Slab to ballet class in hopes of blackmailing him.

An experiment in Adam's science lab goes awry, resulting in a noxious smoke that turns out to be truth gas; all unable to lie are quarantined in the lab until the effects wear off.

Adam tries to get the school's ban on cheerleaders lifted by discovering who glued a chicken mask to Tater's head 25 years ago; his mother was blamed, but DNA proves her innocence.

When Adam's old university study buddy comes to visit, Adam is excited to catch up and geek out like they used to; when Derby realizes the buddy is actually a gorgeous, blonde 23-year-old girl, he convinces Adam she has a huge crush on him.

Adam gets jealous when Derby accidentally invents a miracle hair growth formula; when someone wants to market his formula, Derby has to recreate it but cannot remember it.

Adam has detention duty, but he wants to walk home with Echo and to do so, he must keep everyone out of trouble; in the end, it is not Slab who sabotages his plans but Derby.

Adam has detention duty, but he wants to walk home with Echo and to do so, he must keep everyone out of trouble; in the end, it is not Slab who sabotages his plans but Derby.

Struggling to keep his class in line, Adam creates a sophisticated robotic student designed to discipline students; it malfunctions and threatens to terminate Principal Tater; Adam must stop his creation, or he himself could be terminated.

It's 14-year-old Adam's first day as a teacher; Slab steals Adam's master key and wreaks havoc throughout the school.

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

Derby and Adam confront a food corporation when their cereal doesn't have the ``free toy``.

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

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.

Adam tries to stop Mr. Kidd from stealing.

Adam and Echo struggle to keep their romance secret from Principal Tater; when Derby discovers the truth and almost gives away their secret, Adam plans to erase Derby's memory.

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

An experiment in Adam's science lab goes awry, resulting in a noxious smoke that turns out to be truth gas; all unable to lie are quarantined in the lab until the effects wear off.

Adam gets jealous when Derby accidentally invents a miracle hair growth formula; when someone wants to market his formula, Derby has to recreate it but cannot remember it.