At the Television Critics Association press tour, HBO have confirmed that the second season of Game of Thrones will commence airing on 1 April, 2012. Assuming no breaks, this means the season will conclude on 3 June, 2012.
The currently known information for Season 2 is as follows:
201: Directed by Alan Taylor, 1 April.
202: Directed by Alan Taylor, 8 April.
203: Directed by Alik Sakharov, 15 April.
204: Directed by David Petrarca, 22 April.
205: Directed by David Petrarca, 29 April.
206: Directed by David Nutter, 6 May.
207: Directed by David Nutter, 13 May.
208: Directed by Alan Taylor, 20 May.
209: Blackwater. Written by George R.R. Martin, directed by Neil Marshall, 27 May.
210: Directed by Alan Taylor, 3 June.
The bulk of the season will be written by producer/showrunners David Benioff and D.B. Weiss. At least one episode will be written by script editor Bryan Cogman. Other writers have not yet been announced.