This short begins at Boulder Dam (now Hoover Dam). The electricity generated here by the Colorado River is sent to Hollywood, where movie studios need it to make movies. After a tour of the MGM studios' power plants, we see short advertisements for upcoming MGM releases.
Jo Ann Sayers
as Self
Ray Bolger
as Self (uncredited)
Judy Garland
as Self (uncredited)
Frank Whitbeck
as Narrator (voice) (uncredited)
