1. In the episode where Chris gives Leslie an MRI he comments that Leslie has "a great oven" and that she could have triplets if she wanted to, which is foreshadowing Leslie later having triplets.
2. You can actually listen to Ben's playlist "Benji's Cool Times Summer Jamz" here.
3. At the start of the second season, Leslie sets up surveillance in a park to track down who planted marijuana there. Later on in the season Michael Tansley, a former parks director, admitted to planting weed in several community gardens.
4. Jean-Ralphio doesn't grip Ron's hand during a handshake.
5. When Leslie makes Ann 103 scrap books, one of them is just of their first text exchanges.
6. Early on in Anne's pregnancy Chris tells Anne about how their baby is the size of a green olive, they later decide to name their baby Oliver.
7. Leslie's friend Lindsay Carlisile Shay left for the rival town Eagleton before the series started, which explains Leslie's different behaviour in the first season.
8. When Jerry and Donna bond over takeout they order from Tom's Bistro
9. The little wooden box that Ben uses to propose is a box that both Ben and Leslie use in past episodes to give each other important gifts.
10. The book Leslie wrote is real! Pawnee: The Greatest Town In America is actually available to buy.
11. Tom's face is particularly distraught when Dr. Saperstein tells him about his successful dry cleaning business because Ben had suggested Tom should run one earlier in the series.
12. Even though there's a whole episode based off of Eagleton's budget crisis Eagleton still seem to be in denial with this itinerary.
13. When Leslie prints out the question mark stickers the Parks and Rec department put them all over Jerry's back.
14. Ben's "Alright. Alright. Alright" is referencing the first three words Mathew McConauhey said on camera.
15. When Bobby gets lost on stage after the debate that's a reference to George W. Bush doing the same thing.
16. The people who feature on Leslie's "Wall of Inspirational Women" are: Nancy Pelosi, Sally Ride, Jeannette Pickering Rankin, Madeleine Albright, Condoleezza Rice, Hilary Clinton, Bella Abzug, Dianne Feinstein, Michelle Obama, Janet Reno, and Sandra O’Connor.
17. And of course herself.
