TNT announced today that the 2012 update of Dallas has been renewed for a second season. Currently ranked as basic cable's number 1 new series, the return of the classic soap has thus far been a successful one. So far in its first season, Dallas is averaging 6.9 million weekly viewers.
15 episodes have been ordered for the show's second season, which will air sometime in 2013.
(Source: TV by the Numbers)