Ron gets married, Leslie goes to London to receive an award, Ben and Andy try to get a grant from a rich Englishman, and Tom discovers the identity of his new business rival.

Ron's honeymoon doesn't go as planned, Leslie gives an unpopular speech at her award ceremony, Andy considers a business proposal, and Tom attempts to compromise with his rival.

Leslie gloats instead of trying to help when she learns of Eagleton's budget crisis, Ron tries to get himself off the grid, and Ann takes April on a road trip to Bloomington.

While the parks department works side-by-side with their former Eagleton counterparts, Leslie is blindsided and heartbroken by the news that Ann and Chris are leaving Pawnee.

Leslie and the department get caught in a overblown mini-scandal, Tom falls for a visiting doctor, and Ben tries to help Ron draw up a real will.

Leslie throws Ben a birthday bash but is forced to leave early for an emergency late-night filibuster. Tom tries to make some memories with his new girlfriend, Ron and Donna go hunting, and April reconnects with Andy. Written by The Futon Critic

Leslie goes into a funk after she loses the recall election, the rest of the office sets up a Haunted House, and Tom turns to Ron and a local online trendsetter to help save Rent-a-Swag.

Leslie's new bold attitude as a lame duck costs Ben his job at Sweetums, Ron helps Chris build a crib, and the department tries to find the perfect dog that matches the personality for every Parks Department employee.

Leslie (Amy Poehler) goes toe-to-toe with Councilman Jamm in a marathon negotiating session. Ben (Adam Scott) is in between jobs and takes up an interesting hobby to pass the time. Meanwhile, Ron (Nick Offerman) employs Tom (Aziz Ansari), April (Aubrey Plaza) and Donna (Retta) to help sell his cabin in the woods. Written by Anonymous

Leslie has a new opportunity to run for city council just as her term is ending, Tom comes up with a new business venture after selling Rent-a-Swag, and Chris and Ann decide to find out the sex of their baby.

Leslie (Amy Poehler) and Ben (Adam Scott) both face new challenges on the first day of new jobs. Donna (Retta), April (Aubrey Plaza) and Andy (Chris Pratt) play a prank on Ben, while Tom (Aziz Ansari) prepares for a big presentation. Meanwhile Ann (Rashida Jones) and Chris (Rob Lowe) contemplate taking a big leap together. Written by Anonymous

Leslie (Amy Poehler) fights with Ben (Adam Scott) over questionable sales techniques at the local farmers market. Ann searches for a way to vent about the annoying aspects of pregnancy, while April (Aubrey Plaza) supports Andy (Chris Pratt) in a new creative venture. Written by Anonymous

On Ann and Chris's last night in Pawnee, Leslie throws a grand farewell party and attempts to fulfill one last promise. Meanwhile, Tom, Ben, Ron, and Andy struggle to find the perfect going away gift for Chris.

Ben tries to surprise Leslie with an anniversary gift; Tom and Andy help Leslie put a positive spin on the merger; April flexes her authority as Donna's boss.

Leslie's efforts to take down the wall separating Eagleton and Pawnee yield unexpected results; Ben and Tom meet with possible sponsors for the concert; Ron finds a new hobby.

Leslie (Amy Poehler) aims to create a new town slogan, but runs afoul of local shock jocks (Special Guest Stars Nick Kroll and Matt Besser). Andy (Chris Pratt) scouts bands to play the Unity Concert and discovers an interesting secret about Ron (Nick Offerman), while Tom (Aziz Ansari) looks for a restaurant locale with Donna (Retta) and April (Aubrey Plaza). Written by Anonymous

Leslie throws a hasty Galentine's Day in an attempt to find a replacement for Ann. Tom and Ben look to finalize a deal on tents for the Unity Concert, while Ron finds himself looking after Andy.

Leslie (Amy Poehler) helps organize the high school's Senior Prom, and battles with Ron (Nick Offerman) over the future employment of a bright high school senior. Andy (Chris Pratt) takes an unwilling April (Aubrey Plaza) as his date, and Tom (Aziz Ansari) is tasked with DJ'ing and agrees to let Ben (Adam Scott) help. Written by Anonymous

In the midst of flu season, a sick Leslie (Amy Poehler) and Andy (Chris Pratt) struggle to book performers for the Unity Concert. Meanwhile, Tom (Aziz Ansari) heads to a wine competition in search of a sommelier for his new restaurant, and Ben (Adam Scott) seeks drunken help from Ron (Nick Offerman) with a personal problem. Written by Anonymous

Leslie (Amy Poehler) and Ben (Adam Scott) run a charity auction to raise funds for the unity concert. April (Aubrey Plaza) steps in to manage Andy's (Chris Pratt) schedule, while Donna (Retta) asks Ron (Nick Offerman) for help with her ex-boyfriend (Special Guest Star Keegan Michael-Key). Written by Anonymous

Leslie debates whether to take the job with the National Parks Service during a convention in San Francisco while Ben tries to get free wifi for Pawnee. Meanwhile in Pawnee, Tom decides to open his bistro early.

During the Unity Concert, Leslie invites some coworkers to join her at her new job in Chicago, while Andy thinks about reuniting Mouse Rat. Meanwhile, Tom's Bistro prepares for the Unity Concert after-party.