Akira and the gang's trip takes them to the Sea of Japan. In Niigata, the home of rice production, Shizuka's love of Japanese sake means they're headed straight for a brewery. Being drunk off your rocker is all fun and games until you-know-what show up and kill the buzz. Later, Akira gives his dream of digging up fossils a go. Will his boyish ambition lead to the discovery of a never-before-seen species?