There are copies on Amazon:
While the Amz link above is to the PAL VHS version only, there are NTSC versions on Amazon, here's a direct link:
https://www.amazon.com/dp/B0001FV3FU?tag=edgevideo-20&camp=0&c reative=0&linkCode=as4&creativeASIN=B0001FV3FU&adid=01K69K N5AQR9C3RGCGFK&