Futurama (1999)

S7E23 Game of Tones

The team delves into Fry's subconscious to uncover the significance behind an enigmatic alien tune. As they navigate through his dreamscape, they encounter bizarre landscapes and whimsical characters, each holding clues to the melody's origin. Along the way, they face challenges that test their resolve and friendship, ultimately leading them to a surprising revelation about Fry's past and the true essence of the haunting song.