It's official, my friends: McCain's on 'SNL' tomorrow

Sen. John McCain played stoned hippie art teacher "Pete Van Vliet" when he hosted "Saturday Night Live" back in 2002. (File)

I can see the NBC prop department now, scouring its shelves for plungers and wrenches and other Joe the Plumber paraphernalia. That's because -- as if Sarah Palin's presence wasn't enough -- Sen. John McCain will appear tomorrow on "Saturday Night Live."

McCain's campaign has confirmed he'll take a break from begging the battleground states to go for laughs at 30 Rock.

Ben Affleck is hosting, and he's an active and vocal Obama supporter. "Idol" winner David Cook is the "musical" guest.