As other reviewers have said, the chemistry between Lawrence Olivier and Katherine Hepburn is immediately apparent, so much so that you can easily see their younger selves amongst the "ruins" of their present bodies.
Direction, excellent. Script/plot, excellent. Cinematography, excellent. Musical score, excellent. Get the idea?
REALLY worth seeing; had it had a theatrical release (which it should have), it would have won Oscars across the board...and would have been released on DVD (which it should have been. Perhaps if enough people search for it on the right sites, it will be.