Metro-Goldwyn-Mayer Television (first era)[]
1957-1960[]
1960-1973[]
1960-1965[]
1965-1973[]
1966[]
1966 variant from How The Grinch Stole Christmas
1973-1979[]
Horton Hears a Who! (1970)
1979-1983[]
MGM/UA Entertainment Co. Television[]
1983-1986[]
1984 (60 years)[]
Metro-Goldwyn-Mayer Television (second era)[]
1986-1987[]
1986-1987[]
MGM/UA Television Productions[]
1987-1992[]
1992[]
MGM Worldwide Television Group[]
1992-2001[]
MGM Television Entertainment[]
2001-2009[]
MGM Television[]
2012-present[]
