Liz returns from holiday break with a new outlook that leaves her immune to Tracy's acting out over Jenna's new fame as a judge onAmerica's Kidz Got Singing. Meanwhile, Kenneth prepares for the Rapture. An uproar ensues after cellphone video of Tracy being offensive towards gays is posted online. Liz tries to hide all details of her new boyfriend from Jack, knowing she'll never secure his approval. Kenneth and Jenna call on Kelsey Grammer for a problem only the Best Friends Gang can solve. Tracy goes on the offensive against Liz by coming to the defense of idiots. Jack faces another challenge from Devin Banks (Will Arnett) and meddles in Liz's relationship with Criss (James Marsden). Jenna and Kenneth get help from Kelsey Grammer in dealing with an unconscious Pete.