Peter

Peter is a main teacher in Nathan's Classes Elementary, sometimes a student teacher.

He has three forms: his first one (top, under the infobox), his ghost one (middle), and his current one.

Season 1
Chemistry

Geometry

The Obstacle Course

Biology

Class of 2019

Season 2
Reading Writing Social Studies

Algebra

Season 3
Dolores is a No-Show

Teachers are Gone, Fun Begins

Time to Die

The Crash

The Basement

Yeah, I'm Alive

The Office Building

The Final Battle

Season 4
It only gets Weirder

He's a Spy

Everything goes Wrong

Field Trips
Clay World

The Hunger Games

Catching Water

Short Stories
John's Escape

Little Jimmy's Mistake

Peter's Choice

Clay World's Rebuild

He has Come

Sir Geoffrey's Rage

The Duck Translator

Custard's Journey

The Monster

The Plan

Yee Haw
The Yee Haw that Killed us All