After Alan accidentally starts a fire in the kitchen while making toast, resulting in a power outage and embarrassing Walden in front of his date, Walden is far from happy. Alan tries to make it up by buying Walden a new, but cheap toaster, causing a fight when Walden criticizes the toaster's low quality, and Alan ends up moving out. He tries to move in with Lyndsey, but is kicked out after refusing to share the bills with her, and he instead moves in with a lonely Herb. Walden finds himself alone without Alan and tries to get him back, but Herb is overjoyed with having Alan keep him company and does not want him to go back, and thus isolates Alan from Walden. When Herb and Walden begin to argue over Alan, Alan decides to go back to Walden as he needs him more. However, after seeing Alan a