Synopsis: (https://www.reddit.com/r/decadeology/comments/1951kym/the_00s10s_transitions_for_the_big_3_kids/)

Main 00s/10s Transition: roughly September 2009 - February 2013 (give or take)

Earliest sign of 10s influence: The Adventure Time short film airs on Nickelodeon (January 11, 2007)

First noticeable sign of 10s influence: Poof is born on the Fairly OddParents episode "Fairly Odd Baby" (February 18, 2008)

Last noticeable sign of 00s influence: The cancellation of Sam & Cat (July 17, 2014)

Latest sign of 00s influence: Degrassi: The Next Generation series finale on TeenNick (August 2, 2015)



September 28, 2009: The Nickelodeon rebrand

November 6, 2009: Fanboy & Chum Chum officially premieres on Nickelodeon with the episode "Wizboy"

November 28, 2009: Big Time Rush airs its pilot episode "Big Time Audition"

March 27, 2010: The 2010 Nickelodeon Kids Choice Awards

March 27, 2010: Victorious premieres on Nickelodeon with the pilot episode "Victorious"

June 4, 2010: iCarly's episode "iPsycho" airs on Nickelodeon

July 30, 2010: iCarly premieres new season with the episode "iGot A Hot Room"

September 18, 2010: Fred: The Movie premieres on Nickelodeon

June 11, 2011: iCarly's "iParty with Victorious" crossover episode premieres on Nickelodeon

July 1, 2011: Bucket & Skinner's Epic Adventures premieres on Nickelodeon with the episode "Epic Election"

August 13, 2011: iCarly premieres its fifth (or fourth) season with the episode "iLost My Mind"

August 20, 2011: Jackson VP comes to an end with the episode "Mystery in Peru"

November 23, 2011: The Fairly OddParents episode "Timmy's Secret Wish!" airs on Nickelodeon

January 16, 2012: Fred: The Show airs as a special preview on Nickelodeon with the episode "Love Potion"

February 4, 2012: How To Rock premieres on Nickelodeon with the episode "How To Rock Braces and Glasses"

February 11, 2012: The Victorious episode "The Worst Couple" airs on Nickelodeon

March 10, 2012: Big Time Movie premieres on Nickelodeon

May 19, 2012: The Victorious episode "Tori Goes Platinum" airs on Nickelodeon

November 23, 2012: iCarly ends with the series finale "iGoodbye"

February 2, 2013: Victorious is cancelled with the final episode "Victori-Yes"


Honorable mentions:


The Troop premieres on Nickelodeon (September 12, 2009); this was technically before the start of the transition but it's close.

SpongeBob SquarePants airs its "SpongeBob's Truth or Square" episode (November 6, 2009)

T.U.F.F. Puppy and Jimmy Neutron spinoff Planet Sheen both premiere on Nickelodeon (October 2, 2010)

The Mighty B! moves to Nicktoons (November 6, 2010) and then gets cancelled (June 18, 2011)

Supah Ninjas premiere on Nickelodeon (January 17, 2011)

Kung Fu Panda: Legends of Awesomeness premieres (September 19, 2011)

Fred 2: Night of the Living Fred premieres on Nickelodeon (October 22, 2011)

Back at the Barnyard ends on Nicktoons (November 12, 2011)

Victorious airs its season 3 premiere "The Breakfast Bunch" on Nickelodeon (January 28, 2012)

The Legend of Korra premieres on Nickelodeon (April 14, 2012)

Fred 3: Camp Fred premieres on Nickelodeon (July 28, 2012)

Teenage Mutant Ninja Turtles (2012) premieres on Nickelodeon (September 28, 2012)

The iCarly episode "iShock America" premieres on Nickelodeon (October 6, 2012)

Marvin Marvin premieres on Nickelodeon (November 24, 2012) and gets cancelled after one season (April 27, 2013)

Power Rangers Megaforce premieres on Nickelodeon (February 2, 2013)

Planet Sheen comes to an end (February 15, 2013); this was technically after the end of the transition but it's very close.

Sparky makes his debut on The Fairly OddParents in the season 9 premiere "Fairly OddPet" (March 23, 2013); this was technically after the end of the transition but it's close.