Dizi Adı: Urusei Yatsura
Bölüm Adı: Neptune is Beyond My Closet - That Crazy Age of the Dinosaurs
Sezon/Bölüm: 1. Sezon 15. Bölüm
Yayın Tarihi: 9 Ara. 1981

First appearance of Oyuki, Lum friend and queen of Neptune. Oyuki also has incredible ice powers. Megane and friends visit while Shinobu is nursing Ataru, who has a cold; and they discover a gate to Neptune in Ataru closet. By accident, they go through this gate and arrive on Neptune to be greeted by Lum and Oyuki.

While Ataru is flying an ultra-light, with Lum and Jariten tagging along, Kintaro crashes into him. With the help of Lum’s electric shock, the crash send them all back in time to the dinosaur age.