It was as inevitable a crossover as Joan Rivers appearing on Nip/Tuck: Extreme Makeover: Home Edition is jumping into the Hurricane Katrina relief effort. "We're talking to our vendors and builders, along with FEMA and some of the local parishes, about where and how we can help," executive producer Tom Forman tells TVGuide.com. "When the time is right for what we do, we'll be there." That noise you hear is Ty Pennington upgrading his bullhorn.