Säsongen 3 av Parks and Recreation sändes på NBC från jeudi 20 janvier 2011 till jeudi 19 mai 2011. Den består av 16 avsnitt, det första heter "Go Big or Go Home" och det sista "Li'l Sebastian"..
The series follows Leslie Knope, the deputy head of the Parks and Recreation department in the fictional town of Pawnee, Indiana. Knope takes on a project with a nurse named Ann to turn a construction pit into a park, while trying to mentor a bored college-aged intern. However, Leslie must fight through the bureaucrats, problem neighbors, and developers in order to make her dream a reality, all with a camera crew recording her every gaff and mishap.