Maine Senator Olympia Snowe will guest star on the season premiere of 'Parks & Recreation' called 'Ms. Knope Goes to Washington.' In the episode, Leslie Knope (Amy Poehler) travels to D.C. from Indiana, where she recently was elected councilwoman. There, she's invited to a cocktail party attended by high-profile politicians, including Snowe and Senators Barbara Boxer & John McCain. Snowe delivers two lines for the episode which we get to see Thursday, September 20 @ 9:30 on Channel 6 and 2.

Watch a clip of the season premiere of Parks & Recreation