America's Test Kitchen Season 20, Episode 25 : Summertime Staples

In this episode, test cook Keith Dresser makes host Julia Collin Davison the perfect Pan-Seared Swordfish Steaks with Caper-Currant Relish. Tasting expert Jack Bishop challenges host Bridget Lancaster to a tasting of supermarket capers, and test cook Becky Hays makes Bridget the Best Summer Tomato Gratin.