I thought GSN only showed the full season 1 SYN episodes and got into some of (what was season 2 SYN) episodes.
GSN's first batch of
Sale was in April 2013, approximately the last 65 episodes of the daytime version, starting in the middle of True Romance week. They ran that a couple of times, then in November 2013 they picked up the first batch of season one syndicated, episodes 1 through 68. That was run another time or two, then they aired the rest of season one and some of season two around September 2014, going through episode 196 and promptly removing it from the schedule in March 2015.