One of Britain s finest comedies each episode of Blackadder features Rowan Atkinson ( Mr. Bean ) playing various versions of the conniving buffoonish Edmund Blackadder throughout the ages. In Back and Forth the latest heir to the title gathers his friends to celebrate New Year s on December 31 1999only to reveal a time machine and a fiendish hilarious plan to change history. Also stars Stephen Fry Hugh Laurie Miranda Richardson and Tim McInnerny. 63 min. DVD extras include Baldrick s Diary a behind-the-scenes documentary featuring unaired scenes.