Calling all Mother lovers! Season 4 of How I Met Your Mother is now on DVD shelves, but before you buy, check out this exclusive commentary clip from the notorious "Naked Man" episode.

Yeah, you remember him. He's the guy who strips down spontaneously to save a bad date. It works two times out of three, he says.

Mother boss: "It's not going to be happily ever after" for Barney and Robin

In this clip, the producers chat about the inspiration behind the Naked Man (no, they did not make it up) and give pointers on what not to do if you're considering trying it.