When Grover gets lost on his way to guest-star on the show, Andy Cohen steps up to the plate and pretends to be Grover. As a talk show host himself, Andy knows the need to keep the show going no matter what and through his Grover impressions, Andy fools everyone into thinking he is, in fact, Grover ! Finally, Andy reveals his true identity while Grover still searches for a way onto the talk show set. Josh Groban performs I love Trash with Oscar the Grouch.