Suburgatory: Out in the Burbs

When Tessa is asked to show new guy Josh Sherman (Dan Byrd) around school, she becomes convinced that he's gay, when in fact he's an undercover narcotics officer. Lisa becomes deeply infatuated with Josh, and Tessa inadvertly convinces Mr. Wolfe to make special announcement to the student body. Meanwhile George re-evaluates his relationship with Dallas.

Source: ABC