Complex sentence: On November 14,2011 NBC announced it would replace "Prime Suspect" in the Thursday night line-up with "The Firm", beginning January 12,2012, however stated that they would be "considering their options" until all 13 episodes air.
Split into simpler sentences: On November 14,2011 NBC announced it would replace "Prime Suspect" in the Thursday night line-up with "The Firm", beginning January 12,2012,. However, they stated that they would be "considering their options" until all 13 episodes air.