When Method Man comes into the Stash looking for the rare 1973 Aquaman Mego doll, Walt and the guys pull through.

But at $400, the price is a little too steep.

Method Man proposes a freestyle rap to lower the price, remembering how much the guys loved it when Run DMC's Darryl McDaniels threw down some beats at the register in Season 4.

"I'm a little bit better than D," he says.

"I think we're witnessing the beginnings of a beef," jokes Bryan.

See Method Man put on a show for the Stash in this talked about scene.

Watch the episode now on amc.com and AMC apps for mobile, Fire TV, XBox One, Apple TV, Roku and Chromecast.

Comic Book Men airs Sundays Midnight/11c.