"Curse of the Werewuff" is a Halloween episode of the animated TV series Rugrats. It first aired in the United States on Nickelodeon on October 28, 2002.
The babies' parents take them trick-or-treating for the first time, at an amusement park. Angelica explains to the Rugrats what Halloween is, but as usual, she explains it in a way to scare them. She tells them that if they dress up as a certain character, they actually become that character, and remain this way for the rest of their life. Chuckie, who is dressing as a werewolf, is especially curious about her story, to the point where he starts having nightmares about what Angelica said. However, Angelica is willing to turn the little "monsters" back into Rugrats, but only if they give her all their candy. This is important to her because her parents banned her from trick-or-treating after she ate Halloween candy before Halloween. Will Chuckie and the babies realize the real truth about Halloween?