MGM is a series of shorts produced by Metro-Goldwyn-Mayer/United Artists. It airs early mornings from 3:30am-4:30am.
Summary
MGM/UA has some shorts that aren't in a series, but they also have these shows:
The show has a total of 154 episodes.
The show also has no main characters because it doesn't center on any certain character for an extended period of episodes.