Since Knight Rider went off the air, there have been a number of legal ways to have Knight Rider in your home.

The most recent being Universal releasing the first two seasons on DVD.

Prior to that people in the US were able to order tapes and DVDs containing 1 to 2 episodes at a time from Columbia House Home Video.

In the UK, Universal released a number of best of, and volume based sets before too releasing the first and soon second season on dvd.