Lupin the 3rd

Season 2, Episode 4

Episode Title: 50 Ways to Leave Your 50-Foot Lover

Air Date: 1977-10-24

Overview:

At Loch Ness, Scotland, the mysterious monster Nessie shows itself charmed by Fujiko's singing. Doctor Oz, seeing this, decides to use Fujiko to draw out Nessie so that he can capture it and show it all over the world. There is also revenge involved. It's a fight to the death between Nessie and Oz's dinosaur robot. Will Lupin let Oz get away with his scheme?