Speaking as a hearing-impaired person, I agree lack of SDH/ captions is very unfortunate, even if it is from a "discount" label like MillCreek. One possible solution - just in case you've not tried it or thought of it- is a good pair of headphones (preferably wireless).. Depending, ofcourse, on...
As 2018 will mark the show's GOLDEN(!) anniversary, wonder if CBS will do anything special for the occasion?
Since a TV reunion special is obviously out (most of cast as well as many guest-stars having already gone to that 'paradaiso' in the sky) and the entire series is on DVD, perhaps a...