Big Belly Burger is a fictional business featured in the CW Network television series Arrow. It first appeared in the third episode of season one, "Lone Gunmen". Big Belly Burger is a fast food restaurant chain. Carly Diggle worked as a waitress at a Big Belly Burger located in Starling City. Her brother-in-law, John Diggle came into the restaurant with his client, Oliver Queen, and Oliver's best friend, Tommy Merlyn. While John talked with Carly at the counter, Ollie and Tommy took a booth, where they discussed Tommy's recent relationship with Oliver's former girlfriend, Laurel Lance.