I'm a new subscriber to fios tv and i've noticed that some hd programs are not getting displayed in full screen format. Like the other day me and my daughter were watching sponge bob on nickjr hd and the show was cropped all the way around, then i switched to another hd channel and it was in full screen mode. I don't get it, i thought that all HD channels and programs after channel 500 were being shown in full screen format? I can click on the # button to strech it but it just doesn't look good and i have to do that for every show i watch. what's going on?