I thought I lost mine too but they moved them to 5:30 and 6:00 am (i guess they think quilters are early morning tv watchers...you can go to:
http://www.pbs.org/tv_schedules/
and see if maybe they moved yours.
I watch a lot of free videos here: Nancy Zieman of PBS has some here.
http://www.quilterstv.com/channel/video/1272?item=2