Interesting. I just looked at my channel guide. Originally before Dirty 30, there was supposed to be some Fear Factor episode featuring people from The Challenge and people from something else.
They've changed that. Race in America: An MTV Discussion and the description mentions there was an incident on The Challenge (I assume it was the stuff from last week). I can't wait for that to start and see it's a panel moderated by Johnny Bananas.
edit: It's actually Fear Factor on now. I'm confused.