God, Mary Tyler Moore looooooved her name. We get it, Mary! Here she is, between The Mary Tyler Moore Show and The Mary Tyler Moore Hour with just Mary (before she returned to just Mary in 1985). Based on this clip, you might get an understanding of why this variety show co-starring Michael Keaton, Swoosie Kurtz, and David Letterman failed.
Or, as Mary herself says in her opening monologue, “So…variety. OK, let’s give it a try.”