The guys kick off their tour with guest Will Ferrell.

Braving an ice storm with Conan O'Brien and Max Tegmark.

Another set of shows in the Big Apple with David Letterman.

The guys discuss their childhoods with guests Andy Richter and Mark Cuban.

A show in Wisconsin with Matt Damon and Sean's sister.

The guys finish out their tour in Los Angeles with guests Kevin Hart and Jimmy Kimmel.