High Quality Content by WIKIPEDIA articles! "Black Widower" is the 21st episode of The Simpsons` third season, originally airing on the Fox network in the United States on April 9, 1992. It was written by Jon Vitti, directed by David Silverman, and saw Kelsey Grammer guest star as Sideshow Bob for the second time. In the episode, Sideshow Bob—Bart`s archenemy—marries Bart`s Aunt Selma. Bart believes that Bob is planning something sinister rather than marrying for love. He realizes that Bob is planning to kill Selma; he prevents the attempted murder, and Bob is sent back to prison. "Black Widower" finished 39th in Nielsen ratings for the week that it originally aired. Reviewers generally enjoyed the episode, and gave Grammer`s portrayal of Sideshow Bob particular praise.