DESC: One of the most popular action shows of the early 1980s, KNIGHT RIDER inspired a devoted following because of its high-tech premise and the appeal of star David Hasselhoff. Hasselhoff plays Michael Knight, a former cop who is paired with KITT, an indestructible car with numerous special functions, including artificial intelligence. Michael and KITT roam the country, righting wrongs and stopping criminal plots. This collection includes all 21 episodes from the fourth season, featuring such guest stars as Blair Underwood, Lance Burton, and Shelley Berman.