Question: Get Blake!(formerly Blake and the Aliens) is a American children's animated television series, it first premiered on March 2, 2015 on Nicktoons, a British/Irish digital television channel, that launched on which date?

Context articles: Nicktoonsters
Get Blake!
ABC2
5Star
Ten HD
9HD
ABC Guide
Nicktoons (TV channel)
Drama (UK TV channel)
Nicktoons (UK and Ireland)

Nicktoonsters was a short-lived television channel in the United Kingdom & Ireland, which launched on 18 August 2008 on Sky.
 It was a spinoff channel of Nicktoons.
 Its license first appeared on the OFCOM website in September 2007 (initially named "Nicktoons 2", this was changed to Nicktoonsters on 3 July 2008).
 The network was targeted to 5-11 year old children and aired mainly older library content from Nicktoons, broadcasting twelve hours per day from 7:00 a.m. to 7:00 p.m. daily, with Comedy Central Extra +1, a one-hour timeshift service of Comedy Central Extra taking the other twelve hours in a channel-sharing arrangement upon the launch of Nicktoonsters (CCE+1 had previously been a 24-hour feed).
Get Blake!
 (formerly Blake and the Aliens) is a American children's animated television series.
 The series is produced by the animation company Marathon Media for the global Nickelodeon network.
 The show first premiered on March 2, 2015 on Nicktoons in the United Kingdom and Ireland.
ABC2 is a national public digital television multichannel in Australia.
 Launched on 7 March 2005, it is the responsibility of the Australian Broadcasting Corporation's television division, and is available nationally to digital television viewers in Australia.
 The channel broadcasts a range of original content supplemented with repeats of popular ABC TV programmes, magazine shows, and sport.
 Between the hours of 5am and 7pm daily the channel's bandwidth is used for the ABC Kids channel for young children.
5Star (formerly stylised with an asterisk as 5*) is a British digital television channel owned by Viacom International Media Networks Europe.
 It is a sister channel of Channel 5 and 5USA.
 It originally launched as the female-oriented Five Life on 15 October 2006, and was rebranded as Fiver on 28 April 2008 with a revised version of the same concept.
 The channel later re-branded as 5* on 7 March 2011, and later to its current name on 11 February 2016.
Ten HD (stylised as TEN HD) is an Australian free-to-air television channel that was originally launched on 16 December 2007 on channel 1.
 The channel was available to high definition digital television viewers through Network Ten owned-and-operated stations.
 The multichannel broadcast live sport, entertainment, films, documentaries, science fiction and news.
 The channel ceased broadcasting on 25 March 2009, and the following day was replaced by One.
 Following the government's decision to remove the SD Primary Channel limitations, the channel returned as a HD simulcast on 2 March 2016 on channel 13.
9HD is an Australian television channel, owned by Nine Entertainment Co., originally launched on 17 March 2008 featuring unique "breakaway" programming until 2009 and a HD simulcast of the Nine Network from 2009-2010 and again since 26 November 2015.
 The channel is available on high definition digital television viewers in metropolitan and regional areas through a number of owned-and-operated and affiliate stations.
 Originally 9HD only simulcast blocks of programming from the Nine Network, and in 2008 it added time-shifted news, movies, drama and entertainment programs.
 Following the launch of GO!
 in August 2009, 9HD reverted to a HD simulcast of the Nine Network.
 The channel was replaced completely in 2010 and the space occupied by the newly launched multichannel GEM.
 Following the government's decision to remove the SD Primary Channel limitations, the channel returned as a HD simulcast on channel 90 on 26 November 2015.
The ABC Guide was a television channel provided by the Australian Broadcasting Corporation to digital television viewers in Australia.
 It began broadcasting on 30 May 2006.
 The channel was broadcast during the off-air periods for both ABC HD and ABC2 on their respective channels.
 The guide was initially available in launched in Sydney, with all other digital ABC broadcast regions launching the guide at a later date.
Nicktoons is an American digital cable and satellite television channel that is owned by Nickelodeon Group, a unit of the Viacom Media Networks division of Viacom.
 Geared towards children and "animation lovers", the channel broadcasts original animated series from sister network Nickelodeon, known as Nicktoons, along with other original animated series, some feature films, and foreign animated programs from Nickelodeon's international networks 24 hours a day.
Drama is a British digital television channel broadcasting drama (and, to a lesser extent, comedy) programming in the United Kingdom and Ireland as part of the UKTV network of channels.
 The channel launched on 8 July 2013, replacing Blighty.
 On Freeview, the channel was placed on channel 20, previously occupied by Gold.
 On Sky, the channel initially launched on channel 291, in the overspill area of the Entertainment section and moved to channel 166 on 24 July after purchasing the slot used by PBS America.
 The channel launched on Virgin Media on 14 August on channel 190.
 In September 2014, UKTV blamed the channel for their 7% profits fall.
Nicktoons is a British/Irish digital television channel, launched on 22 July 2002.
 It is a cartoon based sister channel to Nickelodeon.
 The channel airs Nicktoons, as well as acquired programming from outside providers.
 Unlike the United States version, it has been ad-supported since launch.