I think you might have better luck if you said what specifically you’re trying to refute. If you’re looking for a point by point critique of a one hour video, you’re probably out of luck. But if there are specific points he makes that you disagree with, you might want to try posting quotes of what he said and seeing if anyone has a way to respond to them.
It’s hard to say how to respond without knowing what exactly you’re trying to refute. If you want to show that evolution does not exist at all, I don’t know what to tell you. I think the evidence that evolution happens is pretty overwhelming (although our understanding of evolution has certainly been revised in some ways since Darwin’s time), but if you’re trying to argue against evolution in general, I’m sure you could search the forums and find some arguments. If evolution does exist, it makes sense that there is some evolutionary basis for so many people believing in God.
However, the existence of evolution does not prove that God does not exist. God could be using evolution as his means of creation. So if the person you are talking with is trying to use this video to show that God does not exist, I’d respond by saying that the video doesn’t show that at all. The video merely shows that belief in God would have arisen even if he does not exist. If God does exist, it would make sense that he would give us a biological predisposition to believe. So I think all the video shows is that the claim that the only possible explanation for religious beliefs is the actual existence of God is false; it does not show that God does not exist.
I think that atheists on youtube often don’t understand Christian theology that well. I think you’d be better off using your time to read books or articles by intelligent people on both sides of the God debate. Too many people just read something by Lee Strobel or Richard Dawkins and don’t realize that many of the arguments in their books have problems. I think the best way of arguing your side of things is to understand the best arguments from both sides. If you try to argue with atheists before becoming well informed you may end up confirming their stereotypes. If you come up with good counterarguments, the atheist might be forced to do more research of their own.
I agree with Phil that William Lane Craig would destroy this guy. Craig knows how to argue for Christianity as good as anyone and I think it might help you to listen to some of his debates. I also suggest reading the articles on this site. If you want to try to understand the arguments on the other side, there are plenty of articles by atheists at
infidels.org (Warning: as the title indicates it’s an atheist website) and I would also suggest reading Atheism Explained by David Ramsay Steele, who lays out his case without the militant attitude that you find in books by Hitchens or Dawkins. Hope this helps.