6 Season
131 Episode
Bubble Guppies - Season 6 Episode 23 Mystery on the Guppy Express!
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.
- Year: 2023
- Country: Canada, United States of America
- Genre: Animation, Family, Kids
- Studio: Nickelodeon, Nick Jr.
- Keyword: underwater, merpeople
- Director: Jonny Belt, Robert Scull
- Cast: Brianna Gentilella, Josiah Gaffney, Quinn Breslin, Zoe Glick, Mia Lynn Bangunan, AJ Kane