Hamtaro: Little Hamsters, Big Adventures

I'm Going, Ham-Hams! (9x16)

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Lazuli sees a flying hamster calling Hamtaro's name. Hamtaro says he met a hamster like that once in a dream. It turns out to be Prince Bo, and he needs the Ham-Hams' help to get his umbrella back from a shark that has the umbrella stuck in its teeth.