Beverly and Lainey team up to destroy Barry's favorite t-shirt. Adam reunites the Goldberg Gang Detective Agency to discover what happened to it before Murray can tear down their HQ - the family treehouse.
Beverly and Lainey team up to destroy something they both despise: Barry's favorite shirt. But once It goes missing, Adam and Erica agree to help their brother investigate what exactly happened to it. Meanwhile, Murray decides to tear down the family tree house, which makes Adam upset.