The Mysterious Dinosaur Base is the 10th episode of Ultraman .
Overview
A scientist was giving his animals food and it didn't like it. The scientist went to feed his pet Jirass! He said if Jirass is here then there will be more fish here but JIrass had to be hidden. The next day people were fishing in Lake Kitayama and they got lots of fish. The Science Patrol went to investigate the lake of sudden increase in fish. They went with the Jet VTOL equpped with S16 submarine. Arashi had to be in the submarine. When they got there Arashi had to put on many things like the sonar and the video recorder. After the Investigation was done Cap Muramatsu told them they could have a "Special" Vacation.
The press wanted to get information about the Loch Ness monster so they asked the scientist Professor Monster. When the press was there he told them that it was probably the Diploducus. Then they got out. The male reporter asked where the female one was and Hayata said she was with Ide night fishing. Ide and the female reporter were night fishin and they saw the Monster Professor rowing back to shore. Secretly they were following him and Ide put up a sign on the tree. After they follwed him they got trapped In his own lab!