Question: What major detail about Randy and Sharon Marsh was revealed on the 224th episode of "South Park?"

Context articles: Clubhouses (South Park)
Black Friday (South Park)
Titties and Dragons
A Song of Ass and Fire
Reverse Cowgirl (South Park)
Randy and Sharon Marsh
Zebras (Law &amp; Order: Special Victims Unit)
Only Mama Knows (Grey's Anatomy)
Our Little World
Medicinal Fried Chicken

"Clubhouses" is the twelfth episode in the second season of the American animated television series "South Park".
 The 25th episode of the series overall, it originally aired on Comedy Central in the United States on September 23, 1998.
 The episode was written by series co-creator Trey Parker, along with Nancy M. Pimental, and directed by Parker.
 In the episode, the boys set out to build clubhouses so they can play Truth or Dare with girls, while Randy and Sharon Marsh's marriage begins to fall apart.
"Black Friday" is the seventh episode in the seventeenth season of the American animated television series "South Park".
 The 244th episode of the series overall, it premiered on Comedy Central in the United States on November 13, 2013.
 The episode is the first of a three-episode story arc, which continues with "A Song of Ass and Fire", and concludes with "Titties and Dragons".
 The plot, which employs themes and motifs from the TV series "Game of Thrones", concerns the characters' anticipation of a Black Friday sale, with Randy Marsh taking a temporary job as a mall security guard to gain an advantage over the holiday shopping crowds, and the children of South Park split into two factions over whether to collectively purchase bargain-priced Xbox One or PlayStation 4 video game consoles to facilitate their online group gaming.
"Titties and Dragons" is the ninth episode in the seventeenth season of the American animated television series "South Park".
 The 246th episode of the series overall, it premiered on Comedy Central in the United States on December 4, 2013.
 It is the conclusion of a three-episode story arc that began with "Black Friday", and continued with "A Song of Ass and Fire".
 The story centers upon the children of South Park, role playing as characters from "Game of Thrones", split into two factions over whether to collectively purchase bargain-priced Xbox One or PlayStation 4 video game consoles at an upcoming Black Friday sale at the local mall, where Randy Marsh has been made the Captain of mall security.
 The episode received critical acclaim.
"A Song of Ass and Fire" is the eighth episode in the seventeenth season of the American animated television series "South Park".
 The 245th episode of the series overall, it first aired on Comedy Central in the United States on November 20, 2013.
 The episode serves as a continuation of the previous episode, "Black Friday", in which the children of South Park, role-playing as characters from "Game of Thrones", are split into two factions over whether to collectively purchase bargain-priced Xbox One or PlayStation 4 video game consoles at an upcoming Black Friday sale at the local mall, where Randy Marsh has been made the Captain of mall security.
 The story arc concludes with the following episode, "Titties and Dragons".
"Reverse Cowgirl" is the first episode of the sixteenth season of the American animated sitcom "South Park", and the 224th episode of the series overall.
 It premiered on Comedy Central in the United States on March 14, 2012.
 In the episode, a nationwide catastrophe occurs after Clyde's mother is killed because Clyde forgot to put the toilet seat down and she did not bother to look before sitting.
Randy Marsh and Sharon Marsh (née Kimble) are fictional characters in the animated television series "South Park".
 They are the most prominent set of parents on the show and a middle-class married couple who raise their 10-year-old son Stan and 13-year-old daughter Shelly in the fictional town of South Park, Colorado.
 Their first names are derived from the first names of series co-creator Trey Parker's parents, and Parker describes Randy as "the biggest dingbat in the entire show".
 According to the season 16 episode "Reverse Cowgirl", the Marsh home address is 260 Avenidas de los Mexicanos.
"Zebras" is the twenty-second episode and season finale of the of the police procedural television series "", and the show's 224th episode overall.
 It originally aired on the National Broadcasting Company (NBC) in the United States on June 2, 2009.
 In the episode, an open-and-shut case against a mentally disturbed murderer, played by Nick Stahl, is blown when a forensics technician makes a technical error.
 As Elliot and Olivia investigate additional murders believed to be the work of the same killer, they uncover a plot within their own department.
"Only Mama Knows" is the fourth episode of the eleventh season of the American television medical drama "Grey's Anatomy", and is the 224th episode overall.
 It aired on October 16, 2014 on ABC in the United States.
 The episode was written by Mark Driscoll and directed by Nicole Rubio.
 The episode focuses on the show's protagonist Meredith Grey's (Ellen Pompeo) past and troubled childhood and her relationship with her mother world-renowned surgeon Ellis Grey (Kate Burton) and Richard Webber (James Pickens Jr.) while she struggles in her marriage with Derek Shepherd (Patrick Dempsey).
 On its initial airing it was watched by 8.43 million viewers and received universal acclaim from television critics with many calling it one of the best episodes of the entire series.
"Our Little World" is the 6th episode of the paranormal drama television series "Supernatural"' s season 11, and the 224th overall.
 The episode was written by Robert Berens and directed by John Showalter.
 It was first broadcast on November 11, 2015 on The CW.
 In the episode, Sam, Dean and Castiel begin looking for Metatron as he may have the key to the answers of The Darkness while Crowley loses control of Amara.
"Medicinal Fried Chicken" is the third episode of the fourteenth season of the American animated television series "South Park", and the 198th episode of the series overall.
 It originally aired on Comedy Central in the United States on March 31, 2010.
 In the episode, the South Park KFC is replaced by a medical marijuana dispensary, and Cartman gets involved in black market selling the KFC chicken.
 Meanwhile, Randy Marsh gets a medical referral for marijuana by giving himself testicular cancer, which makes his testicles grow to grotesquely huge proportions.