Season 1 Nickelodeon , 2010 - 2011 Season 2 Nickelodeon , 2011 Season 3 Nickelodeon , 2011 - 2013 Season 4 Nickelodeon , 2013 - 2014 Season 5 Nickelodeon , 2014 - 2015 Season 6 Nickelodeon , 2015 Season 7 Nickelodeon , 2016