O Pruny Night is a song sung by The California Prunes in the episode 'Tis the Fifteenth Season. The song is a parody of the traditional Christmas carol "O Holy Night," while The California Prunes are a parody of The California Raisins, which were created by Will Vinton. The parody lyrics were written by Michael Price. It is the twenty-second track of the album The Simpsons: Testify.