Keep Circulating the Tapes: The ABC version has been destroyed, like many of its peers on the same network, and only seven episodes circulate note (the pilot, May 19 and 22–24, 1972; May 8 and June 27, 1975). The syndicated run is intact. It hasn't been seen in America since the Family Channel ceased repeats in September 1995, but Canadians can now see it on Game TV as of December 2013.
All six circulating ABC episodes, and about 15-20 or so of the syndicated run, are on YouTube.
The Video Game
What Could Have Been: The ending to Season mode is unquestionably a Sequel Hook. However it's merely a pipe dream at this point since Disney force-closed Black Rock Studios.
Dueling Games: Sorta, being released about a week before blur, even though being an arcade racer is pretty much the only thing both games have in common.