What looks like a precursor to the Nintendo World Championships 1990 ...
A 1988 Episode featured a Nintendo contest. Competing were three boys from the Midwest in games produced by Nintendo:
-Super Mario Bros. 2
-Ice Hockey
-Rad Racer
The winner took home a U.S. National Video Team jacket.
More info: "Incredible Sunday" http://www.imdb.com/title/tt0094485/
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