Super Why! (2007)

S03E18 Mathis' Book of Why

Pig and Princess Pea are puzzled as they embark on a quest to uncover the mystery behind the absence of rainbows. They search high and low, questioning the skies and their surroundings, eager to discover the reason for this colorful phenomenon's disappearance. With curiosity driving them, they set off on an adventure filled with wonder and exploration, hoping to unlock the secrets of the rainbow and bring back the vibrant colors to their world.