It's 14-year-old Adam's first day as a teacher. All is going well until the ape-like Slab steals Adam's master key and wreaks havoc throughout the school. Now Adam must outwit the big oaf, or his first day on the job could be his last.
Struggling to keep his class in line, Adam creates a robot to discipline students. Unfortunately, it malfunctions and threatens to terminate Principal Tater. Now Adam 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 wit 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.
When Adam learns Echo is taking her "Little Sister" to the school carnival, he promptly signs up to become a "Big Brother" so they can spend the day together.
Adam is made faculty advisor for the school play, Romeo and Juliet, but when Tater casts Echo as Juliet, Adam tries to prevent Echo 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 wants to be paired with Echo in a computer matchmaking fundraiser and will go to any lengths necessary to ensure his questionnaire answers match hers.
When school picture day makes Echo realize that Adam has missed out on all the iconic school moments, she attempts to recreate them for him - to disastrous results.
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.
When Finnegan raises funds by auctioning off staff as servants for a day, Adam hopes Echo will bid on him -- but is horrified when Ivy is the winning bidder.