Rubicon to air Aug 1st
On Sunday, August 1, AMC will debut its newest original series Rubicon, starring James Badge Dale (The Pacific), with its first two episodes airing back-to-back, from 8PM-10PM (ET/PT), followed by Mad Men at 10 PM. Following its debut, Rubicon will move to its regular timeslot, airing Sundays at 9 PM (ET/PT).
http://www.ohiomm.com/blogs/heldenfiles/2010/04/mad-men-season-4-july- 25/