Screenshot from the episode.
"Night of the Were-Diesel" is a Halloween episode of the live-action TV series Best Friends Whenever. It first aired in the United States on the Disney Channel on October 2, 2016.
Plot[]
When Cyd has to protect Diesel from Barry's wolf serum, she accidentally gets it on herself and turns into a vicious werewolf. Shelby must help her friend in order to save their Halloween carnival.
External links[]
See the article on Night of the Were-Diesel on Fandom's BestFriendsWhenever wiki.