It's time for Kenneth's annual house party, but he may be the only one excited about it. To help with turnout, Tracy spreads rumors until the party gets out of hand. Meanwhile, Jack deals with NBC's new environmentally-friendly mascot, whose new-foun... (more)d stardom goes to his head.

Al Gore, David Schwimmer, Dion Sapp, Madison McKinley, Meredith Vieira, Paula Pell