Here's the current GREYschedule up until January 18th:

December 14th
Season 3 Episode 4 "What I Am"

December 21st
Season 3 Episode 5 "Oh, the Guilt"

December 28th
Season 3 Episode 6 "Let the Angels Commit"

January 4, 2007
Season 3 Episode 9 "From a Whisper to a Scream"

January 11, 2007 (tentative)
Season 3 Episode 11 "Six Days (Part One)"

January 18, 2007 (tentative)
Season 3 Episode 11 "Six Days (Part Two)"

More information, including confirmation on the Six Days possible two-parter, coming soon!