- Country: USA
- Genres: Documentary
- Release: 1992-03-22
- Director: N/A
- Writers: N/A
- Language: English
- Stars: Joseph
- Runtime: 360 min
- Awards: Won 1 Primetime Emmy. 2 wins & 4 nominations total
- AKA: MGM: When the Lion Roars (United States of America) , MGM: Gdy lew zaryczy (Poland) , När lejonet ryter (Sweden) , Amikor az oroszlán elbődül (Hungary) , MGM: When the Lion Roars (Italy) , MGM: Когда рычит лев (Russian Federation) , MGM: When the Lion Roars , MGM: Cuando el león ruge (Venezuela)
- Plot: This series surveys the history of Metro-Goldwyn-Mayer Studios from its creation and rise in the 1920's, its pinnacle in the 30's and 40's to it's decline in the 1950's.
- IMDB:tt0205658
MGM: When the Lion Roars Cast · · · ALL
Patrick Stewart
Himself - Narrator
Stanley Donen
Helen Hayes
Esther Williams
Freddie Bartholomew
William Hanna
Luise Rainer
(1910–2014)
Joseph Barbera
Van Johnson
Samuel Marx
Lew Ayres
(1908–1996)
Roddy McDowall
(1928–1998)
Ernest Borgnine
(1917–2012)
Mickey Rooney
Richard Brooks
Margaret Booth