Bubble Guppies S06E23 - Mystery on the Guppy Express!

Episode Overview

When Oona realizes her Bubble Kitty is missing on the Guppy Express, crafty Detective Nonny comes to the rescue. Convinced that the cat is still somewhere on the train, they set off on a frantic search to locate her before the next stop arrives, fearing that the kitty could be lost forever.

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