Scoop: PARKS & RECREATION on NBC - Thursday, September 20, 2012

09/20/2012 9:30 PM MS. KNOPE GOES TO WASHINGTON —Leslie (Amy Poehler) and Andy (Chris Pratt) visit Ben (Adam Scott) and April (Aubrey Plaza) at their new jobs in Washington D.C., and Leslie feels overwhelmed by the city -- especially after meeting two of her idols (Senators Barbara Boxer and Olympia Snowe).

Meanwhile, Ron (Nick Offerman) throws a “thank you” barbeque for the entire Parks and Recreation staff. Aziz Ansari, Rashida Jones, Rob Lowe, Jim O’Heir and Retta also star. The episode airs September 20 at 9:30 pm.