Association)" and how the AMA has tried to restrict their businesses in the past. Martin has also noted that the episode shows how "a lot of chiropractors are these great healers and they do great work, and then there's some that are crooked." Several famous Americans made guest appearances in the episode. Actor Michael Keaton guest-starred as Jack Crowley, while stand-up comedian Robert Schimmel appeared as a prisoner in Marge's art class that wants to smell her clothes. Actor Charles Napier voiced the prison warden that commentates the rodeo at the prison and later grants Jack his parole. Comedy writer and actor Bruce Vilanch guest-starred in the episode as himself at the unveiling of Jack's mural painting. There, Principal Skinner jokes to the audience that "when Superintendent Chalmers suggested a school mural, I almost thought he said a 'school Muriel'," referencing Chalmers' sister Muriel. When no one laughs at his joke and the audience is dead silent, Skinner sarcastically says "Well, thank you, Bruce Vilanch," to which Vilanch replies "Whoopi would've made it work." This is a reference to the fact that Vilanch has written comedy material for actress Whoopi Goldberg. Release The episode originally aired on the Fox network in the United States on January 14, 2001. It was viewed in approximately 8.79 million households that night. With a Nielsen rating of 8.6, "Pokey Mom" tied with an episode of 60 Minutes for the 38th place in the ratings for the week of January 8–14, 2001. It was the third-highest-rated broadcast on Fox that week, following episodes of Temptation Island and Boston Public. On August 18, 2009, "Pokey Mom" was released on DVD as part of the box set The Simpsons – The Complete Twelfth Season. Staff members Tom Martin, Bob Anderson, Mike Scully, Ian Maxtone-Graham, John Frink, Don Payne, Matt Selman, and Joel H. Cohen, as well as cast members Dan Castellaneta and Joe Mantegna, participated in the DVD audio commentary for the episode. Deleted scenes from the episode were also included on the box set. Critics have given "Pokey Mom" generally negative reviews. Nancy Basile of About.com said she "loathed" it. DVD Movie Guide's Colin Jacobson commented that "Other than a nice guest turn from Michael Keaton, 'Mom' doesn’t do much to stand out from the crowd. Oh, like much of Season 12, it keeps us interested, but that’s not exactly a strong endorsement. 'Mom' provides a