"Ron and Tammy" is the eighth episode of the second season of Parks and Recreation, and the fourteenth overall episode of the series. It originally aired on NBC in the United States on November 5, 2009. In the episode, the library department tries to take control of a vacant lot where Leslie plans to build a park. Ron's ex-wife, one of Leslie's directors, tries to use Ron to get her way. The episode was written by Mike Scully and directed by Troy Miller.