"The Muppets" is broadcast in the New York metropolitan area on Channel 7 beginning at 8 PM ET; check local listings.
The episode is titled "Ex-Factor" and is described as such: "Kermit searches for a gift for Denise's birthday, but is at a loss about what to get her, so he asks Miss Piggy for help. Meanwhile, Kristin Chenoweth accidentally creates tension in the Electric Mayhem when she agrees to do a gig with the band."
The Emmy-winning actress won her Tony for her performance as Sally in the 1999 Broadway production of You're a Good Man, Charlie Brown.