Mr. Young - S1 E1

2. Mr. Roboto

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."

3. Mr. Detention

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.

4. Mr. Inventor

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.

5. Mr. Younger Man

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.

6. Mr. DNA

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

7. Mr. Honest

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.

8. Mr. Ballerina

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.

9. Mr. Talent

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.

10. Mr. Big Brother

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.

11. Mr. Shakespeare

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.

12. Mr. Meteor

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

13. Mr. Impossible

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.

14. Mr. Marvelous

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.

15. Mr. Dog

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.

16. Mr. School Song

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.

17. Mr. Picture Day

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

18. Mr. Tickleschmootz

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.

19. Mr. Mummy

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.

20. Mr Elderman

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?

21. Mr Servant

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.

22. Mr Masterpiece

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!

23. Mr Brain

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.

24. Mr Space (1)

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.

25. Mr Space (2)

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.

26. Mr. Moth

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.