<Tr> <Td_colspan="2"> Parks and Recreation (season 2) List of Parks and Recreation episodes </Td> </Tr> <P> "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, sexually manipulates Ron to get what she wants . The episode was written by Mike Scully and directed by Troy Miller . </P> <P> "Ron and Tammy" featured Megan Mullally, the real - life wife of Parks actor Nick Offerman, in a special guest appearance as Ron's ex-wife, Tammy, who appears in several other episodes in the following seasons . According to Nielsen Media Research, it was seen by 4.93 million household viewers; its rating of 2.2 was the season's highest to that point . "Ron and Tammy" received highly positive reviews and is widely considered one of the best Parks and Recreation episodes, with many commentators praising Offerman's performance . Tammy later returned for the third season sequel episode, "Ron & Tammy: Part Two" and several subsequent episodes . </P> <P> Andy (Chris Pratt) takes over as the shoeshiner at the Pawnee town hall, replacing "Old Gus" (Jack Carter), who insults everybody during a farewell party . Later, Mark (Paul Schneider) breaks the bad news to Leslie (Amy Poehler) that the Pawnee library has placed a planning claim for Lot 48, which Leslie has been working to turn into a park . Leslie and the rest of the parks department express hatred for the library, which Leslie declares a "diabolical, ruthless bunch of bureaucrats", much to the confusion of Ann (Rashida Jones). Ron (Nick Offerman) is particularly angry to learn his ex-wife Tammy (Megan Mullally), who he insists is evil incarnate, is the new library director . </P>

Who plays tammy 2 on parks and rec