Hamtaro S01 E90 Hamtaro and the Space Ship!

"Little Hamsters, Big Adventures."

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?