Here is the break down of the aired episodes:
Episode 01 - Pilot - April 15 - 8.86 million viewers
Episode 02 - Firebomb - April 22 - 7.39 million viewers
Episode 03 - Thugs and Lovers - April 29 - 7.44 million viewers
Episode 04 - Lost and Found - May 6 - 6.87 million viewers
CBS has pulled the series out of May Sweeps and will show the final seven episodes starting May 27th. The Series finale will air July 15th.