The Backyardigans - Full Series Information, Trailer & IMDb Reviews
Watch The Backyardigans Season 1 Episode 19 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
The Backyardigans: Uniqua and Tyrone, the hardnosed detective, set out to Monster's Castle where Pablo the soccer ball monster has taken Uniqua's ball. They must make it out of the castle before they get turned into monsters.