ON THIS 21 DVD SET: A DIFFERENT WORLD IN ALL 141 EPISODES FROM ALL 6 SEASONS. THE SHOW AIRED FROM 1987 TO 1993. THIS WAS A SPINOFF OF THE COSBY SHOW AND FEATURES DENISE OFF TO COLLEGE. A DIFFERENT WORLD DVD'S CONTAIN MENUS WITH EPISODE SELECTIONS, COMMERCIAL FREE, & QUALITY IS 8/10.