Lacey wants to buy a new car, and asks for Brent's help, relying on his specialized knowledge gained from his job; unfortunately she only learns what not to do. Oscar looks to Wanda for advice on what to get Emma as an anniversary gift; unfortunately... (more) he only learns what not to buy... the next time. Karen and Davis, tired of the 'cop in the donut shop' stereotypes, try out some new and unusual snacks.