High Quality Content by WIKIPEDIA articles! "Back Up, Dancer" is the second episode of the seventh season of the American television series Will Grace. It was written by Tracy Poust and Jon Kinnally and directed by series producer James Burrows. The episode originally aired on the National Broadcasting Company (NBC) in the United States on September 23, 2004. Guest stars in "Back Up, Dancer" include Will Arnett, Bobby Cannavale, and Janet Jackson.