Nickelodeon. An American basic cable and satellite television network that is operated by the MTV Networks Kids & Family Group unit of Viacom. Aimed mainly at pre-teens and teenagers 11–16 years of age and its preschooler-targeted shows aimed at children 2–6, it broadcasts on Sundays from 6 a.m.- 8 p.m., Monday-Thursdays from 7 a.m.-8 p.m., Fridays from 7 a.m.-9 p.m. and Saturdays from 6 a.m.-10 p.m. Launched: April 1st, 1979. Logo Used: 1984-2009.