Bubble Guppies
Mystery on the Guppy Express!
S6 E23 Oct 30, 2022 25m TV-Y
When Oona's Bubble Kitty goes missing aboard the Guppy Express, sly Detective Nonny steps in to help. Knowing the cat must still be on board, they race to find her before the train reaches its next stop--and the kitty may be lost for good.
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