That's Dancing! (1985)

Iconic figures such as Liza Minnelli, Fred Astaire and Gene Kelly lead the viewer through this retrospective of classic dancing numbers throughout the films of the 20th century. From classical ballet to modern dance, the compilation features clips and never-before-seen footage from films such as "The Wizard of Oz," "West Side Story," and "Singin' In the Rain." Mikhail Baryshnikov also appears, commenting on the art of ballet and the responsibilities of the dancer.