When does Saving Grace return?

Saving Grace is an American crime drama television series that aired on TNT from July 23, 2007, to June 21, 2010. The show stars Holly Hunter as well as Leon Rippy, Kenny Johnson, Laura San Giacomo, Bailey Chase, Bokeem Woodbine, Gregory Norman Cruz and Yaani King. The plot focuses on Grace Hanadarko, a heavy drinking and promiscuous Oklahoma City detective. The 1995 bombing of Oklahoma City's Alfred P. Murrah Federal Building and its aftermath have been frequently incorporated into the plot.