Leslie decides to marry two penguins in order to promote the local zoo, but inadvertently causes a debate when both penguins turn out to be male. Meanwhile, Mark asks Ann to watch a movie with him.
Leslie plans to bury a time capsule that summarises life in Pawnee; Andy asks Chris for help.
Jerry's painting creates excitement at the community art show, Ben moves in with April and Andy, and Leslie is frustrated by Chris's interoffice dating rules.
Leslie holds a sex education class following an STD outbreak among senior citizens in Pawnee.
Leslie commemorates her first year as a city counsellor; April receives life-changing news; Tom considers a business opportunity.