Question: Before the airing the episode where Kenny and his brother and sister are sent to a foster home, what animated sitcom extended again until 2016, taking the show to 20 seasons?

Context paragraphs:
True Jackson, VP: True Jackson, VP is an American television sitcom that aired on Nickelodeon from November 8, 2008 to August 20, 2011.  The series starred Keke Palmer, Ashley Argota, Matt Shively, Danielle Bisutti, Greg Proops, Robbie Amell, and Ron Butler.  The theme song was written by Toby Gad and Keke Palmer and is performed by Palmer.  The series was shot in front of a live studio audience, which is mentioned at the start of each episode (with the exception of the episode "Mission Gone Bad").  On May 5, 2009, Nickelodeon renewed the show for a second season of 34 episodes, which premiered on November 14, 2009.  In 2010, Nickelodeon cancelled the show after two seasons.  It was then later split, making a third season.  The pilot episode garnered 4.8 million viewers on its first airing and set network records among kids 6–11, adolescents 9–14 and several other demos, airing after the "iCarly" three-part episode "iGo to Japan".  The show premiered on Nickelodeon (UK and Ireland) on May 25, 2009 and on Nickelodeon (Latin America) on August 3, 2009.  The one-hour (two-part) episode entitled "Mystery in Peru" completed the 34 ordered episodes for season two (production wise), after it aired on August 20, 2011.  Keke Palmer posted a video on her YouTube account and posted on her blog, confirming that "Mystery in Peru" is the series' finale.

Wait Till Your Father Gets Home: Wait Till Your Father Gets Home is an American adult animated sitcom produced by Hanna-Barbera that aired in first-run syndication in the United States from 1972 to 1974 (airing on most NBC stations on Sunday nights at 10:30, except for the ones who had moved their late-night news to that slot).  The show originated in a one-time segment on "Love, American Style" called "Love and the Old-Fashioned Father."  The same pilot was later produced with a live cast (starring Van Johnson), but with no success.  The show was the first primetime animated sitcom to run for more than a single season since "The Flintstones" more than ten years earlier and would be the only one until "The Simpsons" fifteen years later.  The show was inspired by "All in the Family".

Home and Away: Home and Away (often abbreviated as H&A) is an Australian television soap opera.  It was created by Alan Bateman and commenced broadcast on the Seven Network on 17 January 1988.  Bateman came up with the concept of the show during a trip to Kangaroo Point, New South Wales, where he noticed locals were complaining about the construction of a foster home and against the idea of foster children from the city living in the area.  The soap opera was initially going to be called "Refuge", but the name was changed to the "friendlier" title of "Home and Away" once production began.  The show premiered with a ninety-minute pilot episode (subsequently in re-runs known as "Home and Away: The Movie").  Since then, each subsequent episode has aired for a duration of twenty-two minutes and "Home and Away" has become the second longest-running drama series in Australian television.  In Australia, it is currently broadcast from Mondays to Thursdays at 7:00 pm.

South Park (season 15): The fifteenth season of the American animated sitcom "South Park" began airing on Comedy Central on April 27, 2011 and ended on November 16, 2011.  In response to reactions to the mid-season finale episode "You're Getting Old", which seemed to insinuate that creators Trey Parker and Matt Stone were wrapping up the series, Comedy Central proclaimed through the media that "South Park" was renewed for two more seasons, and the duo were signed through 2013.  Shortly before the airing of the season finale episode "The Poor Kid", "South Park" was extended again until 2016, taking the show to 20 seasons.  Parker was the director and writer for all episodes, and Robert Lopez was the writer in this eleventh episode for the fifteenth season.

2 Dy a Ni: 2 Dy a Ni (also Dau Dy a Ni) is a Welsh television programme produced by Boomerang for the Welsh television channel S4C in 2008, consisting of thirteen episodes.  The show, a teenage drama, is set in a foster home in the South Wales Valleys.  Shelley Rees plays Jo Pugh, one of the main characters, and was nominated for a Welsh BAFTA award.  Dyfrig Morris (who also has a role in the film "The Big I Am") plays the father.  Carli De'La Hughes plays Sam the foster child also known as Vicky Collins in Pobol y Cwm

The Poor Kid: "The Poor Kid" is the fifteenth season finale of the American animated television series "South Park", and the 223rd episode of the series overall.  It first aired on Comedy Central in the United States on November 16, 2011.  In the episode, Kenny and his brother and sister are sent to a foster home after police discover a meth lab in their house.  As a result, Cartman is left with feelings of loss, since he no longer has someone to ridicule for their poverty.

Bill Graham (promoter): Bill Graham (born Wulf Wolodia Grajonca; January 8, 1931 – October 25, 1991) was a German-American impresario and rock concert promoter from the 1960s until his death in 1991 in a helicopter crash.  On July 4, 1939 he was sent from Germany to France to escape the Holocaust.  At age 10 he settled in a foster home in the Bronx, New York.  Graham graduated from DeWitt Clinton High School and from City College with a business degree.

Bob's Burgers (season 2): The second season of the animated sitcom "Bob's Burgers" began airing on Fox in the United States on  11, 2012 (2012--) , and concluded on  20, 2012 (2012--) .  The season was produced by Wilo Productions and Buck & Millie Productions in association with 20th Century Fox Television, and is distributed by 20th Century Fox Home Entertainment, along with its other seasons.  Actors H. Jon Benjamin, John Roberts, Dan Mintz, Eugene Mirman and Kristen Schaal reprised their roles as Bob Belcher, Linda Belcher, Tina Belcher, Gene Belcher and Louise Belcher.  These characters are all a part of the Belcher family, a nuclear family that run a hamburger restaurant, entitled Bob's Burgers.

Love Thy Trophy: "Love Thy Trophy" is the fifth episode of the second season of the animated series "Family Guy", a holdover from season 1.  It originally aired in the United States on Fox on March 14, 2000.  In the episode, Peter and his neighbors create an award-winning float at a local parade.  The trophy in question quickly becomes the neighbors' obsession, and they begin fighting when it disappears.  Meanwhile, Meg acquires a Prada purse with money from her new job as a waitress.  She has falsely claimed that she is a teen mom and that baby Stewie is her neglected son for increased tips, subsequently causing him to be removed from his family and placed in a foster home.  The neighbors set aside their differences and recover Stewie, losing Meg's Prada purse in the process.  The end of the episode reveals that Brian buried the trophy due to his natural urge to bury shiny things.

South Park controversies: "South Park" is an American animated sitcom created by Trey Parker and Matt Stone.  Its frequent depiction of taboo subject matter, unusual (especially Sophomoric) humor and portrayal of religion for comic effect has generated controversy and debate throughout the world over the course of its 20 seasons.  Stone and Parker, who both continue to be heavily involved in the writing and production of each episode, use the show frequently to lampoon a wide range of topics and both sides of contentious issues.

Supporting paragraphs: South Park (season 15) The Poor Kid
Answer: South Park