According to the online TV guide, LocateTV, Nickelodeon UK & Ireland will premiere Nick's brand new reality show on January 12th 2013 at 4:30pm (5:30pm on Nick +1),
You Gotta See This is an American reality television series produced by Comcast Entertainment Group for Nickelodeon. It premiered in the US on July 21st, 2012. The show is hosted by Noah Crawford and Chris O'Neal, both who star in the Nickelodeon show How To Rock, coming soon to Nick UK & Ireland. The show includes funny clips caught on camera, behind the scenes of Nickelodeon shows (including iCarly) and more. It is set in a surfer boy's bedroom.
On the Nickelodeon UK & Ireland online TV schedule on the official website, the slot for You Gotta See This is left blank. This proves the theory stated in this post of a new show premiering in February 2013.