Question: In what year was the digital television channel on which "Get Blake!" first premiered launched?

Context paragraphs:
Drama (UK TV channel): 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.

Digital television: Digital television (DTV) is the transmission of television signals, including the sound channel, using digital encoding, in contrast to the earlier television technology, analog television, in which the video and audio are carried by analog signals.  It is an innovative service that represents the first significant evolution in television technology since color television in the 1950s.  Digital TV can transmit multiple channels in the same bandwidth occupied by a single channel of analog television.  A switchover from analog to digital broadcasting began around 2006 in some countries, and many industrial countries have now completed the changeover, while other countries are in various stages of adaptation.  Different digital television broadcasting standards have been adopted in different parts of the world; below are the more widely used standards:

Ten HD: 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.

ABC2: 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.

9HD: 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.

Nicktoons (UK and Ireland): 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.

RTL Telekids: RTL Telekids is the name of a digital television channel for children.  The channel is operated by RTL Nederland and can be received through cable.  In addition, RTL Telekids is broadcasting as a youth block on television channel RTL 8 during daytime.  Like the rest of the Dutch RTL family RTL Telekids is officially a Luxembourg channel that does not have to adhere to the Dutch media law.  As Luxembourg has no real regulator, the channel is also not monitored.

MyTalk: MyTalk was a Fairfax Media television channel available to viewers of digital television in Australia.  The datacast channel, launched on 13 April 2007, was designed to supplement the Southern Cross Ten and Southern Cross Television digital television services and the online portal.  The channel was also localised for thirty markets to include international, national and local news, as well as weather updates.

Get Blake!: 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.

Chesterfield transmitting station: The Chesterfield transmitting station is a television and radio transmitter which serves the town of Chesterfield in Derbyshire and surrounding areas.  It transmits digital television which it is line fed from Sheffield (Crosspool) (also known as the Tapton Hill transmitting station).  The Chesterfield transmitter sits on a hillside to the north of the town and transmits digital television and radio services.  Before the digital switchover, it was one of the few transmitters in the UK to transmit digital television but not analogue channel, Channel 5, and a number of its digital multiplexes were transmitted on the same channels as Emley Moor so it was not uncommon for co-channel interference to be a problem; similar problems still exist with Sutton Coldfield and Waltham (see external links).  These co-channel issues with Emley meant that its output was attenuated to the North.

Supporting paragraphs: Get Blake! Nicktoons (UK and Ireland)
Answer: 2002