it was Halloween. They were at school. They thought it was gonna be like how it was last year where everyone was dressed up so the party Lucas Dustin, Will, and Mike dressed up as characters from Ghostbusters Mike and Dustin and Lucas were at the school waiting for Will Dustin looked back and he noticed something was off. No one was wearing costumes

Dustin: uh guys.. 

(mike and Dustin looked behind them. Kids were getting out of the bus dressed up. In normal clothes and not in costumes..)