NBC
NBC is one of the major American TV networks. It showed NASCAR races in 1964, 1979-1985, 1999-2006, and from 2015-present.
Races shown on NBC:
1964 World 600
1979 National 500
1980 National 500
1981 Mountain Dew 500
1981 National 500
1982 National 500
1983 Winston 500
1984 Winston 500