The Joe Walsh edition of "CMT Crossroads" is debuting this Saturday, but you can get a taste right now. CMT.com is airing a video one of the highlights: Brad Paisley and Joe on the '70s classic "Rocky Mountain Way".

You may have heard that Paisley did a commercial for Jack in the Box.  And yes, Brad actually has a conversation with the dude wearing the spherical Jack head. 

Check it out: