Hamtaro: Little Hamsters, Big Adventures

Hamtaro and the Space Ship! (4x12)

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When Laura says that she wished upon a star and her wish came true: that she got Hamtaro, Hamtaro is led to believe that he comes from outer space. His fears seem to be confirmed when Oxnard is apparently beamed up by a spaceship, but is there a more rational explanation for what happened?