Giovanni is a young cat with a troubled childhood -- he is bullied in school, and waits patiently day after day for his father to return from his journey. One festive evening, Giovanni and his friend Camponella find themselves aboard a great train which takes them to the edge of the universe and back. However, in the midst of the sights and wonders, Giovanni soon begins to discover that the train's purpose might be much different than it appears.
-both are movies based on Kenji Miyazawa's stories and directed by Gisaburo Sugii;
-both feature antropomorphic cat characters with the protagonist being a young blue cat who takes a slow-paced journey involving surreal dreamlike scenes, strange encounters and vague symbolism;
-the major themes of both movies are altruism, self-sacrifice and losing someone important, which gives them a pretty deep & serious undertone despite the juvenile looks.
The difference is Night on the Galactic Railroad is overall superior to Guskou Budori, mainly because it has a more coherent story with a stronger ending.