joel defends his summer diet of delivery sushi, karl refuses to leave a burger behind at the bbq, and the boys predict the next hot trend in restaurant decor now that plant-patterned wallpaper is played out. then, the fellas welcome chef joseph geiskopf, formerly of hotspot triniti and kensho, to talk making shit work in a tiny kitchen, how bean stew can be revelatory, and what's next for this rising young chef.