I can't believe it's really over! This was so emotional. I really wasn't sure what to expect for this final double episode, but what I got was stunning. Let's go over the plot.
Basically, the whole gang comes together one last time to help repair a broken swing. They succeed, cutting through all the bureaucratic red tape to complete their goal. Along the way, Leslie laments the fact that everything is changing, and that she just wants everybody to be together and happy. Ben promises that some day all of these people will be reunited, even if it takes a while. Throughout the episode, as Leslie says goodbye to everybody, we get flash-forwards of what happens to each character's lives over the next several years. I'll quickly list some of the outcomes.
Donna and Joe move to Seattle. Joe struggles as a teacher, because so many programs are not being funded. Donna, who is very wealthy, decides that she wants to establish a program through April's company called "Teach Yo' Self," which would pay teachers for running after-school clubs and the such.
Craig ends up falling in love with Typhoon (the hair stylist). They live a long and happy life together.
Jean-Ralphio and his sister Mona Lisa fake Jean-Ralphio's death as a life insurance scam. They watch the funeral from behind a tree and then run off together to open a casino.