Wow this was bad...
I honestly never even knew there was a part IV, and was shocked to find out it was pretty much the original cast of part 1. I only found out about it as it's on netflix...
It's unfortunate it was given such a low budget & horrible story. With such good actors you'd think warner bros would have given a little more effort. I know SupIII was bad, but at least it had a comic element to it and actually had better special effects than IV did.
In any case I watched it, skipped through a fair bit of it, sad to see it go down this way though...