Console system launched in direct competition with the Nintendo Entertainment System by accident. Was more a response to the Atari and Intellivision systems of the early 80s. Still, by some accounts this system was more powerful than the NES and was destroyed only by Nintendo's questionable business strategies in the US. The Sega Master System was actually quite popular in some markets. Then again, so is David Hasselhoff.
There was a Knight Rider game for the Sega Master System, but it includes no singing by Michael Knight.
A company which, while having fallen on hard times recently resorting to churning out Pokemon and other childish games to survive, must be respected for dragging the video game industry out of a freefall in the mid-80s.
Nintendo kind of sucks now, but thank God they were there in 1985.