I have noticed this problem you have with Gateways "Channel info guide"
When I'm using the Channel Grid Guide - Layout, I get this:
This is to inform me about Anderson Cooper show: Notice the lack of anything, not even a mention to a other page.
now I go to the Preview Panel, I get more info here:
At least I get the Original Air Date here;
It seem that the Preview Panel gets more info then the Channel Grid Guide. Why
It should be the other way around.