Interested in the latest TV on DVD reviews? DVD Talk has you covered! This week's notable entries include: Father Knows Best: Season Six - the final season of one of television's greatest sitcoms; Home Improvement: 20th Anniversary Complete Collection - this show is still as funny as when it first aired; and Genius of Britain - a great documentary series... the bonus disc is a huge plus and in many ways the superior program. Other shows recently reviewed include:  Yu Yu Hakusho: Season One (Blu-ray), Never Apologize, and Clifford: Best Buddies.  Want more?  Check out all of the TV on DVD reviews in the DVDTalk database.