It will be on BookTV on Sunday, November 25, but thanks to the internet, there's no need to wait.
You can see it embedded here, or get a direct RealPlayer link by clicking here.
If you move the slider forward to 36:40 out of a 55 minute program, you can hear Peter Brimelow asking a question or two, and giving a friendly warning to the authors:"I think this is a very important contribution—this book—to the immigration debate and my advice is: watch your backs!"