Hmm, well I don't have the VHS of 5, and I was little when I rented it (do have DVD) so I haven't noticed, like stated I think the subtitles were on the DVD but this does seem to be a recurring problem as I have the VHS and DVD set of the Orginal Trilogy to Star Wars and the DVD's seem to not even care to translate the other creatures languages, like Jabba in the added scene of IV.
Wonder why they do that? Just forget? Like you said, it can't be that much of a budget thing...I don't think