Andy hopes to inspire and motivate the group by taking them on a field trip to Gettysburg. Some staffers remain at the office, and Robert California tasks them to hatch the company's next big idea
Erin and Gabe invite the office over for a “Glee” viewing party. Michael deals poorly with hearing people call Gabe his boss. Meanwhile, Andy grows more and more jealous of Gabe’s relationship with Erin.