The Muppets 2015 Episode 9 - Going, Going, Gonzo Episode Title:Going, Going, Gonzo.Episode Description:Gonzo debates attempting a stunt from his past that he never completed, prompting Kermit to schedule it for the show. Despite a near-accident caused by Sweetums and Gonzo during her performance with Joseph Gordon-Levitt, Miss Piggy plans to promote her new product called Piggy Water. Meanwhile, Scooter attempts to change his image with the help of The Electric Mayhem. Dave Grohl later performs on the show as Gonzo's cannon shot stunt to the other roof is a success. During the credits, Grohl and Animal compete in a drum-off which ends in a draw.