Question: Sideshow Bob Roberts is the fifth episode in a season of The Simpsons that has how many episodes total?
Context: Not to be confused with Aaron A. Aaronson, a fictional character in the Simpsons episode Sideshow Bob Roberts. "Black Widower" is the 21st episode of "The Simpsons"' third season.  It originally aired 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. "Sideshow Bob Roberts" is the fifth episode of "The Simpsons"<nowiki>'</nowiki> sixth season.  It originally aired on the Fox network in the United States on October 9, 1994.  Kelsey Grammer returns as Sideshow Bob, who, in this episode, wins the Springfield mayoral election through electoral fraud.  The episode was written by Bill Oakley and Josh Weinstein, and directed by Mark Kirkland.  Oakley and Weinstein drew inspiration for the episode from the Watergate scandal, and included many cultural references to political films, as well as real-life events.  These included the film "All the President's Men" and the first televised debate between Richard Nixon and John F. Kennedy during the 1960 United States presidential election. "Wedding for Disaster" is the fifteenth episode of the twentieth season of "The Simpsons".  It originally aired on the Fox network in the United States on March 29, 2009.  In the episode, Marge and Homer's second marriage turns out to be invalid, so they decide to get married again.  Right before the remarriage, Homer goes missing, and Bart and Lisa suspect that he has been kidnapped by Sideshow Bob.  The episode was written by Joel H. Cohen and directed by Chuck Sheetz.  It features a guest appearance by Kelsey Grammer as Sideshow Bob.  Since airing, the episode has received mostly positive reviews from television critics.  It was viewed by 6.58 million viewers in its original American broadcast. "Brother from Another Series" is the sixteenth episode of "The Simpsons"<nowiki>'</nowiki> eighth season.  It originally aired on the Fox network in the United States on February 23, 1997.  Sideshow Bob is released from prison into the care of his brother Cecil and claims to be a changed man.  However, Bart does not believe him and tries to find out what Bob is up to.  It was the first episode directed by Pete Michels and was written by Ken Keeler.  The episode guest stars Kelsey Grammer in his sixth appearance as Sideshow Bob and David Hyde Pierce as Cecil.  The title is not only a pun on the movie "The Brother from Another Planet" (used for a previous episode as well), but also a reference to the fact that guest stars Kelsey Grammer (Frasier Crane) and David Hyde Pierce (Niles Crane) also played bickering brothers on the NBC sitcom "Frasier". "Day of the Jackanapes" is the thirteenth episode of "The Simpsons"<nowiki>'</nowiki> twelfth season.  It first aired on the Fox network in the United States on February 18, 2001.  In the episode, Krusty announces his retirement due to interference from network executives and the growing popularity of the game show "Me Wantee".  But when Krusty reveals to Sideshow Bob that all of the episodes featuring him have been erased, Sideshow Bob uses Bart to try and murder Krusty during his farewell show. "The Great Simpsina" is the eighteenth episode of "The Simpsons"' twenty-second season.  It originally aired on the Fox network in the United States on April 10, 2011.  It was written by Matt Warburton and directed by Chris Clements.  It is the second episode to have no blackboard nor couch gag added on the opening credits, with the first being "Sideshow Bob Roberts" from seventeen years earlier.  Following its broadcast, the episode received mixed reviews from critics. "The Simpsons"' sixth season originally aired on the Fox network between September 4, 1994, and May 21, 1995, and consists of 25 episodes. " The Simpsons" is an animated series about a working class family, which consists of Homer, Marge, Bart, Lisa, and Maggie.  The show is set in the fictional city of Springfield, and lampoons American culture, society, television and many aspects of the human condition. "Sideshow Bob's Last Gleaming" is the ninth episode of "The Simpsons"<nowiki>'</nowiki> seventh season.  It originally aired on the Fox network in the United States on November 26, 1995.  In the episode, Sideshow Bob attempts to rid the world of television. "The Great Louse Detective" is the sixth episode of the fourteenth season of the American animated television sitcom "The Simpsons".  It originally aired on the Fox network in the United States on December 15, 2002.  In the episode, the Simpson family wins a free spa weekend, and Homer is nearly killed when a mysterious figure locks him in a sauna.  Chief Wiggum decides to hire someone who can think like a murderer in order to find the mystery assailant.  Bart's mortal enemy Sideshow Bob is sent to live with the Simpsons so he can help find Homer's attempted killer, who turns out to be the son of a man whom Homer drove to insanity.  Since airing, the episode has received generally positive reviews from critics, though it has been cited as not being as good as some other Sideshow Bob episodes.  The episode's title is a parody of the 1986 Disney animated feature "The Great Mouse Detective".
Answer: 25