Doraemon: Nobita and the Tin Labyrinth (1993, Shin-Ei Animation)

It's nearing the spring break. While up late watching TV, Nobita's dad sees an ad for a beautiful looking resort but decides not to go anyway, thinking it would be hard to find a place to stay. As if hearing his words, the voice says there are plenty of rooms at the local "Buriki (Tin) Hotel" and he agrees to visit. The next day, Nobita was...