Kidou Keisatsu Patlabor: New OVA Episode 13 English Subbed Episode Title:The Dungeon Again.Episode Description:A urethra stone made of pearl is excreted from the captured albino alligator (now in the Tokyo Zoo) that was found in the labyrinth of tunnels under the reclaimed land beneath the SV2 hangar. With the stone being worth over ¥200,000,000, some of the mechanics try their luck to see if there are anymore albino alligators excreting the stones down there. They don't return and nobody is particularly happy about staging a rescue mission to find them, especially after what happened last time. Sakaki wants to seal the manhole up, but Asuma decides to help and ropes in most of Division 2 to help him...