Mystery deepens at a Buy More sales convention when Chuck and Sarah must unmask an assassin lurking among the conventioneers. Meanwhile, Intersect complications affect Morgan; and Jeff shows there's more to him than just being a "Buy Moron." David Koechner and Catherine Dent guest star

Cast: Zachary Levi, Yvonne Strahovski, Joshua Gomez, Ryan McPartlin, Mark Christopher Lawrence, Scott Krinsky, Vik Sahay, Bonita Friedericy, Sarah Lancaster, Adam Baldwin, Catherine Dent, Michael Shaun Sandy