Norby is an American sitcom television series that aired from January 5 until April 6, 1955 on NBC in color. RCA's color system wasn't used until the fall of 1954. This is the first color show that I'm aware of.
1976
2006
1981
1988
2002
1985
2017
1986
1999
1982
1998
1989
2009
2007
2011
2005
1968