Question: Miranda Cosgrove made her debut through the single that was used as the theme song for the program on which network?

Context paragraphs:
Leave It All to Me: "Leave It All to Me" is the debut single by American actress and singer Miranda Cosgrove and the theme song for Cosgrove's Nickelodeon show "iCarly".  It features Cosgrove's former "Drake & Josh" co-star, Drake Bell, and was written by Michael Corcoran, one of Bell's band members.  A shortened version is used in the show's opening credits, but the full version can be found on the show's soundtrack.  The single charted in the U.S. on the "Billboard Hot 100", at position 100.  It was the show's theme song for the entire series.

Dancing Crazy: "Dancing Crazy" is a song by American recording artist Miranda Cosgrove.  It was co-written by Avril Lavigne, Max Martin and Shellback and was produced by Martin and Shellback for Cosgrove's second extended play (EP) "High Maintenance", released on March 15, 2011.  The song made its premiere on December 15, 2010, before being released digitally on December 21, 2010 as the lead single from the EP.  The lyrics of the song deal mainly with Cosgrove and her friends just going out, partying, and having a good time with one another.

Dancing Crazy Tour: The Dancing Crazy Tour was the debut solo tour by American entertainer, Miranda Cosgrove.  visiting North America, the trek supported her debut studio album, "Sparks Fly".  The tour began in Missouri and travel throughout the United States and ended in Ohio.  Cosgrove continued the tour into the summer to promote her second EP, "High Maintenance".  Dubbed the Dancing Crazy Summer Tour, the singer traveled the United States and Canada and performed at music festivals and state fairs.

About You Now (EP): About You Now is the debut extended play by American actress and singer Miranda Cosgrove, released by Columbia Records and Nickelodeon Records to iTunes on February 3, 2009.  The extended play was released as a promotional tool, and was not to be taken as her official musical debut.  The album was used to promote Cosgrove's single of the same name, released in the final quarter of 2008.  Aside from featuring remixes of previous promotional singles of Cosgrove's, the album also featured two tracks, "FYI" and "Party Girl".  It is a cover of the Sugababes hit single of the same name.  It did, however, help boost sales of the single, "About You Now".  The single became Cosgrove's second song to chart on "Billboard's" Hot 100 singles chart, peaking at number 47, her highest peak to date.  The single also became her first single to chart internationally, peaking at number 79 in the United Kingdom.

High Maintenance (EP): High Maintenance is the second EP by American actress and pop singer Miranda Cosgrove, released by Columbia Records and Epic Records on March 17, 2011.  The EP was preceded by its lead single, "Dancing Crazy", which was co-written by Canadian pop punk singer-songwriter Avril Lavigne with Max Martin and Shellback, who produced it.  The single became her first to chart on the Top Heatseekers chart, peaking at number 21.  The single also charted on the Hot 100 Airplay chart, peaking at number 49, as well as peaking at 36 on the Pop Songs music chart, which is based upon airplay on pop radio.  It also charted in countries such as Slovakia, where it peaked at number seventeen.  "High Maintenance" was made available for pre-order on March 2, 2011, the same day that "Dancing Crazy" became available for free download on iTunes.

Leave It All to Shine: "Leave It All to Shine" is a song performed by Miranda Cosgrove from "iCarly" and Victoria Justice from "Victorious" for the crossover episode "iParty with Victorious".  The song is a mash-up of the shows' theme songs, "Leave It All to Me" and "Make It Shine".

Sparks Fly (album): Sparks Fly is the debut studio album by American actress and pop singer Miranda Cosgrove.  The plans for the album were first announced in July 2008, and the album was released by Columbia Records on April 27, 2010 as a standard edition and a deluxe edition and Epic Records in India and Italy.  The album has been preceded by its lead single, "Kissin U" which was co-written by Cosgrove, Claude Kelly and Dr. Luke, who produced it with HitmanKTI, and was released on March 22, 2010.  The album sold 36,000 copies in its first week, making its peak No. 8 on the "Billboard" 200.

Drake &amp; Josh: Drake & Josh is an American television sitcom created by Dan Schneider for Nickelodeon.  The series follows the lives of two teenage boys with opposite personalities, Drake Parker (Drake Bell) and Josh Nichols (Josh Peck), who become stepbrothers.  Both actors previously appeared in "The Amanda Show" along with Nancy Sullivan, who plays Drake and Megan's mother in the series.  Miranda Cosgrove plays Megan, Drake's mischievous younger sister, and Jonathan Goldstein plays Walter, Josh's father.  The series' opening theme song, "Found a Way", is written by Drake Bell and Backhouse Mike and performed by Bell.  The series ran from January 11, 2004, to September 16, 2007, totaling 57 episodes in 4 seasons.  It also had two TV films: "Drake & Josh Go Hollywood" and "Merry Christmas, Drake & Josh".

Miranda Cosgrove discography: American singer Miranda Cosgrove has released one studio album, two extended plays, two soundtracks, six singles, and three promotional singles. Cosgrove's debut as a recording artist began with the "iCarly" theme song "Leave It All to Me".  The song features Drake Bell was released as a single in December 2007 and peaked at number one hundred on the "Billboard" Hot 100.  In June 2008, Columbia Records released the "iCarly" soundtrack, which featured four songs performed by Cosgrove, peaked number twenty-eight on "Billboard" 200.  The second single "Stay My Baby" failed to reach charts.  In December 2008, a cover of the holiday song "Christmas Wrapping" was released to promote the hour-long special "Merry Christmas, Drake & Josh".  On February 3, 2009, Cosgrove released her first solo recording, the extended play About You Now, exclusively on the iTunes Store.  The single of the same title, "About You Now" reached number forty-seven on the Hot 100 in January 2009, becoming her most successful single to date.  To promote the 2009 animated film "Cloudy with a Chance of Meatballs", Columbia Records released a promotional single entitled "Raining Sunshine".

Kissin U: "Kissin U" is a song by American recording artist Miranda Cosgrove from her debut studio album, "Sparks Fly".  Cosgrove co-wrote the song with Claude Kelly and Dr. Luke; the latter also co-produced it with Ammo.  The album's only single, it was released on 7" vinyl and Cassette tape format on March 22, 2010, and to mainstream radio on May 11, 2010.  The single was later released in Australia in early July.  The single is Cosgrove's first official musical release, after making several soundtrack appearances for some of her shows and films, such as "iCarly" and the 2009 animated comedy film, "Cloudy with a Chance of Meatballs".  It also made an appearance on the 2010 compilation album "Now That's What I Call Music!  35"

Supporting paragraphs: Miranda Cosgrove discography Leave It All to Me
Answer: Nickelodeon