It looks like it's confirmed..=S
From UK's Schedule:
http://www.nick.co.uk/whatson/They will be having it today (Sunday over there).
It looks like they will be having every new episodes of Season 4 every Sundays and Satudays at 7:30AM same as for Ireland as well.
Some Episodes Titles were released:
Sunday, April 8th at 7:30AM Episode 1
Saturday, April 14 at 7:30AM Episode 2
Sunday, April 15 at 7:30AM Episode 3