Late (as usual) but all the more superbly great for having to be waited for. (And yes I know that a conjunction is something you're not supposed to end a sentence with.)
It's Skepticule Extra, episode 22! (that's an exclamation mark, not a factorial — which incidentally would be 1.12400072777760768 x 10^21 according to Wolfram Alpha).
In this episode the three Pauls discuss, among other things, skeptical and godless conferences, non-skeptical (but highly lucrative) books, and debating delusion.