 The episode was written by <unk> <unk> and directed by Charles <unk> , and featured guest performances by <unk> Paul Scheer and H. Jon Benjamin . " Kaboom " saw the filling in of the Pawnee pit , a focal plot device in Parks and Recreation since the first episode . As part of a multi @-@ network television campaign to spotlight volunteerism , the episode prominently featured the real @-@ life organization KaBOOM ! , a charity that builds playgrounds in locations all over the United States . 
