The Lionhearts is an American animated television series from MGM that aired on Saturday and Sunday mornings in syndication from September 19 to December 12, 1998.

[1] The series aired on syndication in the United States and was also seen in Australia and Latin America (translated into Spanish as Los Corazón de León).

The series was announced in 1997, the brainchild of John Symes, then president of MGM Worldwide TV Group.

[3] MGM Animation signed actors William H. Macy, Peri Gilpin, Jeffrey Tambor, and Betty White, among others, to provide voices producing 13 half-hour episodes of The Lionhearts, set for a September 1998 bow in syndication.

[4] MGM Animation tapped sitcom scribe Ruth Bennett as exec producer and head writer for the series.