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.


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.

See the article on Night of the Were-Diesel on Fandom's Bestfriendswhenever wiki.

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