The third season kicks off with the Pawnee government still shut down, but that doesn't stop Leslie from putting together a Harvest Fest which might threaten their jobs in the Parks Department.
The flu spread around the office leaving April unable to work so Ron looks for another buffer and decides to mentor Andy which leads to some male bonding.
The town of Pawnee is about to bury a time capsule, but they face problems from a Twihard fan who insist they include the movie Twilight.
The return of Ron's ex-wife Tammy throws a wrench in his budding relationship with Tom's ex-wife.
Trying to get the word out about the Harvest Festival, Leslie, Ben, and Tom do radio, TV and newspaper interviews. A media storm hits when Ben has to answer tricky questions about his past as a teen mayor.
Ron and Leslie take a road trip to the big city in order to visit Ron's favorite place which happens to be a steakhouse, but Leslie has alternative motives for the trip.
It's make it or break it for the Parks Department at the Harvest Festival which is full of surprises.
Chris returns to Pawnee with a new job while Leslie takes the Parks crew camping to brainstorm. Elsewhere, Andy has plans for April.
Andy and April host a dinner party for all their friends. Ben asks Leslie for some career advice, while Ann tries her luck at a singles party.
Ann convinces Leslie to sign up for an online dating service, only to be matched with someone she already knows. Chris decides to start a health initiative and challenges Ron to a burger cook-off.
Jerry's contribution to Leslie's community art show causes a stir. Ben moves in with April and Andy and attempts to teach them how to be adults. Meanwhile, Leslie is frustrated by Chris and his interoffice dating rules.
When the neighboring city of Eagleton puts up a fence around one of their parks, Leslie must get her former best friend to take it down. Meanwhile, Ron tries to stop Leslie from planning a birthday party for him.
When Leslie tries to get Ann a job at city hall, her lukewarm reaction causes their first-ever fight. Tom invites the entire department to the Snakehole Lounge to help him promote his new alcohol, "Snake Juice".
When Chris sends Leslie and Ben on a trip to Indianapolis, Leslie is afraid she won't be able to deny her feelings for him. Ron teaches a young student about his views on government. Meanwhile, Andy gets his feelings hurt by April after playing Tom's new game.
Everyone in the office is unhappy when Chris decides to make some big changes in the parks department - especially Tom who starts to question his career choices. Leslie is caught off guard when Ben has a meeting with her mom.
Leslie and the parks team put together a memorial service for a dearly departed friend. Meanwhile, Tom makes a big life decision, while Chris reacts badly to a health problem.