Set list:
2001
Simpson House (Homer, Marge, Maggie, Ned, Grampa)
Springfield Nuclear Power Plant (Homer, Mr Burns, Smithers)
Kwik-E-Mart (Homer, Marge, Bart, Apu)
Total: 9 new minifigures
2002
Springfield Elementary School (Bart, Lisa, Skinner, Mrs Krabappel, Willie)
Krustylu Studios (Krusty, Sideshow Bob, Bart, Lisa)
Total: 6 new minifigures
2003
Town Hall (Marge, Maggie, Quimby, Wiggum, Lisa)
Barney's Bowlarama (Homer, Barney (not burping), Otto (at claw machine), Moe (not in bartender clothes))
Android's Dungeon (Bart, Milhouse, Comic Book Guy, Ralph, Martin)
Total: 9 new minifigures
2004
Community center of Springfield (actually the church) (Ned, Reverend Lovejoy, Homer, Marge, Maude (LEGO forgot she was dead!))
Noiseland Arcade (Bart, Nelson, Lisa (worried face), Squeaky Voiced Teen)
Total: 4 new minifigures
2005
Krusty Burger (Krusty, Homer, Bart, Sideshow Mel, Wiggum)
DMV (Homer, Patty, Selma, Hans Moleman)
Police Station (Wiggum, Bart, Snake, Lou, Eddie)
Total: 8 new minifigures
No back walls included!