This has only happened a few times but it has happened on 2 THD's. I selected the Debates and not knowing which THD we were going to use, we set them up online to record CH 618 (FoxNews HD). Instead they went to the first station with that show and recorded on CH 2 which is ABC SD! I thought it had something to do with the online schedule so the next Debate I scheduled from the 2 THD's guides. On one THD it still went to CH2 and on the other it went to CH 118, which is the SD version of CH618. Since I did this from each THD's guide why would it switch channels? This has not happened before that I can remember, but has happened on ALL 3 debates...actually 4 counting the VP debate.