Chuck Versus the Cougars

Sarah’s teenage insecurities bubble to the surface when she runs into her school nemesis, Heather Chandler (Nicole Richie).

But in order to stymie a plot involving bombs, Sarah must attend her high-school reunion and go face-to-face with Heather.

Meanwhile, with Buy More bigwig Big Mike absent, Lester is left in charge of carrying out a new sales policy. Ben Savage guest stars.