You might want to prepare your Simpsons house set for some guests because the population of LEGO Springfield is about to explode. This May LEGO will release its first line of 16 LEGO The Simpsons minifigures, which will come blind-bagged and retail for $3.99 a pop. Why wait until May? Well, they're timed to arrive around the May 4 debut of the LEGO episode of The Simpsons on FOX at 8 p.m./7 p.m. central. Click through to see the upcoming LEGO minifigures of Homer Simpson, Marge Simpson, Bart Simpson, Lisa Simpson, Maggie Simpson, Grandpa Simpsons, Milhouse (and his LEGO Biclops comic book!) Ned Flanders, Mr. Burns, Krusty the Clown, Itchy, Scratchy, Mr. Burns, Ralph Wiggum, Chief Wiggum, Nelson Muntz and Apu Nahasapeemapetilon.