Fosters Home for Imaginary Friends Season 5 Episode 10 - Nightmare on Wilson Way Episode Title:Nightmare on Wilson Way.Episode Description:Bloo tries the old peanut brittle can filled with snakes trick, thinking it as the ultimate Halloween prank after strapping Mac to his bed, thus not allowing him to go trick-or-treating because of his regular sugar rushes. However, when Mr. Herriman tries it, Bloo thinks it has gone awry, and Herriman becomes a zombie, with the others also becoming undead later on through the episode. However, everyone was just pretending to be zombies and it was a prank set up for Bloo.