"All Howls Eve" is the first Halloween episode of the Disney Channel original series K.C. Undercover, premiered as part of the channel's "Monstober Spooktacular" crossover event.
Plot
Ernie and Judy must travel to NYC for the Central Park Spooktacular to intercept an evil wolf serum, but their mission is interrupted when they run into "Jessie's" Emma and Zuri at the party. Meanwhile, Marisa and K.C. throw their own Halloween bash back at the house and K.C. decides to dress up as a spy to impress the new boy in school, River.