Many uploads mislabel the film. Godzilla vs. Mechagodzilla (1974) is a very different movie. Ensure the thumbnail shows the angular, robotic "Super Mechagodzilla" with blue fins, not the original 70s version with the yellow collar.
The Internet Archive is often cited as a reliable way to view older Godzilla titles. You can find: Original & English Dub godzilla vs. mechagodzilla ii internet archive
To find the best copy of Godzilla vs. Mechagodzilla II , follow these steps: Many uploads mislabel the film