"The Legend of Korra" is an American animated television series created by Michael Dante DiMartino and Bryan Konietzko.
 A sequel to "", the series first aired on Nickelodeon in 2012.
 Like its predecessor, the series is set in a fictional world inspired by Asian and Inuit cultures, and inhabited by people who can manipulate the elements of water, earth, fire or air through an ability called "bending."
 One person, the "Avatar," has the ability to bend all four elements.
 Reincarnating in turn among the world's four nations, the Avatar is responsible for maintaining peace, harmony, and balance in the world.
 Korra, the series' protagonist, is the next incarnation of the Avatar after Aang of "Avatar: The Last Airbender".
 Four seasons with a total of 52 episodes have aired.
The Legend of Korra is an American animated television series that aired on the Nickelodeon television network from 2012 to 2014.
 It was created by Bryan Konietzko and Michael Dante DiMartino as a sequel to "", which aired from 2005 to 2008.
 Animated in a style strongly influenced by anime, the series is set in a fictional universe in which some people can manipulate, or "bend", the elements of water, earth, fire, or air.
 Only one person, the "Avatar", can bend all four elements, and is responsible for maintaining balance in the world.
 The series follows Avatar Korra, the reincarnation of Aang from the previous series, as she faces political and spiritual unrest in a modernizing world.
Season Three (Book Three: Fire) of "", an American animated television series on Nickelodeon, first aired its 21 episodes from September 21, 2007 to July 19, 2008.
 The season was created by Michael Dante DiMartino and Bryan Konietzko, and starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Jessie Flower, Dante Basco, Dee Bradley Baker, Greg Baldwin, Grey DeLisle and Mark Hamill as the main character voices.
Sokka (索卡 , Suǒ Kǎ ) is a fictional character in Nickelodeon's animated television series "" and its sequel series "The Legend of Korra".
 The character, created by Michael Dante DiMartino and Bryan Konietzko, is voiced by Jack DeSena in the original series and by Chris Hardwick in the sequel series.
 In the live-action film adaptation "The Last Airbender", he is portrayed by Jackson Rathbone.
Season Two (Book Two: Earth) of "", an American animated television series on Nickelodeon, first aired its 20 episodes from March 17, 2006 to December 1, 2006.
 The season was created and produced by Michael Dante DiMartino and Bryan Konietzko, and starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Jessie Flower, Dante Basco, Dee Bradley Baker, Mako Iwamatsu and Grey DeLisle as the main character voices.
Michael Dante DiMartino (born July 18, 1974) is an American animation director best known as the co-creator, executive producer, and story editor of the animated TV series "" and "The Legend of Korra", both on Nickelodeon.
 He was born in Shelburne, Vermont.
 He studied at the Rhode Island School of Design with Bryan Konietzko, with whom he created "Avatar."
 Before "Avatar," Mike worked for twelve years at Film Roman, helping to direct "King of the Hill", "Family Guy", and "Mission Hill" in addition to his own animated short, "Atomic Love", which was screened at a number of high-profile film festivals.
 The dedication to his father's memory can be seen in the last episode of "Avatar: The Last Airbender".
 In a 2010 interview the president of Nickelodeon, Cyma Zarghami, confirmed that DiMartino and Konietzko were developing a new series for the network, called "The Legend of Korra".
 The series premiered on April 14, 2012, running 12 episodes for the first book "Air" and 14 for the second book "Spirits", which premiered on September 13, 2013 to 2.60 million viewers in the U.S., then the third book "Change" and the fourth and final book "Balance" of 13 episodes each.
Season one (Book One: Water) of "", an American animated television series produced by Nickelodeon Studios, aired 20 episodes from February 21, 2005 to December 2, 2005.
 The series was created by Michael Dante DiMartino and Bryan Konietzko, and starred Zach Tyler Eisen, Mae Whitman, Jack DeSena, Dante Basco, Dee Bradley Baker, Mako Iwamatsu and Jason Isaacs as the main character voices.
Cyma Zarghami (Persian: سیما ضرغامی‎ ‎ , born ca. 1962) is an Iranian-born American cable television executive currently serving as the president of Nickelodeon and Viacom Media Networks Kids & Family Group since 2006.
Prince Zuko (祖寇 , Zǔ Kòu ) is a fictional character in Nickelodeon's animated television series "".
 Created by Michael Dante DiMartino and Bryan Konietzko, the character is voiced by Dante Basco and is portrayed by Dev Patel in M. Night Shyamalan's 2010 film "The Last Airbender".
Sozin's Comet is the series finale for the Nickelodeon television series "".
 It was directed by Ethan Spaulding, Giancarlo Volpe, and Joaquim Dos Santos, and written by Michael Dante DiMartino, Bryan Konietzko, and Aaron Ehasz.
 Although the finale is split into four episodes, it aired as a two-hour four-part movie on July 19, 2008.
 Before the week of July 14–19, no episodes had been shown in the US since November 30, 2007, though some episodes had been released on DVD prior to their airdate.
 The Saturday airing of "Sozin's Comet" acted as a climax to a week of ten new episodes that concluded "Avatar"' s .

Question: Michael Dante DiMartino and Cyma Zarghami are developing a new series for which network?
Answer: Nickelodeon