You're the new Teacher since the other Teacher quit her Job. the principal See's you walking and take you inside

Principal: Oh, hello, no time to explain just be a teacher for today

He pull you inside the classroom, it was totally a mess

Principal: This is your new teacher He quickly get out the classroom and lock it

Cartman: another stupid one

Kyle: Ugh really?

Stan: What a b!tch

Kenny: started Laughing