Question: "A Rickle in Time" was the first episode of an animated television sitcom that aired on what network?

Context paragraphs:
Rick and Morty: Rick and Morty is an American adult animated science-fiction sitcom created by Justin Roiland and Dan Harmon for Cartoon Network's late-night programming block Adult Swim.  The series follows the misadventures of cynical mad scientist Rick Sanchez and his fretful, easily influenced grandson Morty Smith, who split their time between domestic family life and interdimensional adventures.  Roiland voices the series' eponymous characters, with the voice talent of Chris Parnell, Spencer Grammer, and Sarah Chalke providing the rest of the family.  It premiered on December 2, 2013.

List of South Park episodes: "South Park" is an American animated television sitcom created by Trey Parker and Matt Stone for Comedy Central that debuted on August 13, 1997.  The series originated from a pair of animated shorts titled "The Spirit of Christmas", and the first episode of "South Park" originally aired on August 13, 1997 on Comedy Central.  Intended for mature audiences, the show has become infamous for its crude language and dark, surreal humor that lampoons a wide range of topics.  The story revolves around four boys—Stan Marsh, Kyle Broflovski, Eric Cartman, and Kenny McCormick—and their bizarre adventures in and around the eponymous Colorado town.

Grift of the Magi: "Grift of the Magi" is the ninth episode of the eleventh season of the American animated television sitcom "The Simpsons".  It originally aired on the Fox network in the United States on December 19, 1999.  In the episode, mafia boss Fat Tony successfully extorts a large sum of money from Springfield Elementary School, forcing Principal Skinner to close it down.  However, a toy company called Kid First Industries, led by Jim Hope, later buys the school and privatizes it.  Classes now start focusing on toys and marketing only, and soon a new toy called Funzo that resembles the children's ideas is released by Kid First Industries in time for the Christmas shopping season.  Bart and Lisa decide to destroy all Funzos in Springfield but Gary Coleman, Kid First Industries' security guard, tries to intercept them.

The Rickshank Rickdemption: "The Rickshank Rickdemption" is the first episode in the third season of the American animated television sitcom "Rick and Morty", and the twenty-second episode overall in the series.  It was written by Mike McMahan and directed by Juan Meza-Leon.  The season three premiere first aired unannounced on Adult Swim in the United States on April 1, 2017 when it was watched by 676,000 American households.  On the first day of its original broadcast, "The Rickshank Rickdemption" was replayed every half hour from 8pm to 12am ET with improved ratings, as a part of Adult Swim's annual April Fools' Day joke.

Friend or Foe (SpongeBob SquarePants): "Friend or Foe" is the first episode of the fifth season and the 81st overall episode of the American animated television sitcom "SpongeBob SquarePants".  It was written by Casey Alexander, Zeus Cervas, Mike Mitchell, Steven Banks and Tim Hill, and the animation was directed by supervising director, Alan Smart and Tom Yasumi.  Alexander, Cervas and Mitchell also function as storyboard directors.  The episode originally aired on Nickelodeon in the United States on April 13, 2007.

A Rickle in Time: "A Rickle in Time" is the first episode in the second season of the American animated television sitcom "Rick and Morty", and the twelfth overall episode of the series.  Written by Matt Roller and directed by Wes Archer, the episode first aired on Adult Swim in the United States on July 26, 2015.

The Great Louse Detective: "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".

Rick and Morty (season 2): The second season of the animated television series "Rick and Morty" originally aired in the United States on Cartoon Network's late night programming block, Adult Swim, which premiered on July 26, 2015 with "A Rickle in Time", and concluded on October 4 with "The Wedding Squanchers".  This season aired a total of ten episodes.

Are You Right There Father Ted?: "Are You Right There Father Ted?"  is the first episode of the third series of the Channel 4 television sitcom "Father Ted", and the 18th episode overall.  It is notable for being the first episode aired after the death of Dermot Morgan, who had died the day after filming for the final episode had been completed.  As a mark of respect to Morgan, the original transmission of the first episode was delayed by a week.

The Samsonadzes: The Samsonadzes (Georgian: სამსონაძეები, "Samsonadzeebi" ) is a Georgian animated television sitcom created and produced by Shalva Ramishvili.  It first aired in Georgia in November 2009.  It almost immediately became a "hit", "taking Georgia by storm" and "sho[oting] to the number two spot among the most-popular shows on one of Georgia's main TV channels".  It has been described as "bearing more than a passing resemblance" to the United States animated television sitcom "The Simpsons".

Supporting paragraphs: A Rickle in Time Rick and Morty
Answer: Cartoon Network