Best Friends Whenever (2015)

Episode Overview

Title: Night of the Were-Diesel Plot: In an effort to safeguard Diesel from Barry's dangerous wolf serum experiment, Cyd inadvertently spills the serum on herself, transforming into a fierce werewolf. With the Halloween carnival at their high school on the line, Shelby races against time to find a way to restore her best friend before the rampaging she-wolf wreaks havoc on the festivities.