The Simpsons smartly subverts traditional family sitcom convention, but anyone who thinks the show doesn't have a heart is advised to watch "I Love Lisa" and "New Kid on the Block," two fourth-season gems that absolutely nail the agony and ecstasy of unrequited crushes ("You won't be needing this," a heartbroken Bart fantasizes his babysitter saying while dropkicking his heart into a wastebasket in "New Kid"). While the Simpsons' celebrated ensemble gets all the glory, we must pause now to praise the peerless writing staff, among them, George Meyer, Al Jean, Jon Vitti, John Swartzwelder, David Silverman, and Conan O'Brien. One can only marvel in astonishment at the alchemy that went into creating, week after week, such essential episodes as "Kamp Krusty," "Streetcar," the profane and profound "Homer the Heretic," and "Lisa the Beauty Queen" (And that's just disc 1!). The animators, too, rose to the occasion, particularly in "Itchy & Scratchy: The Movie," with its dead-on, ultra-violent sinking of the seminal Disney cartoon, "Steamboat Willie." And another benchmark in The Simpsons' rise to the TV pantheon: Its very first clip show. What Homer says about donuts in "Monorail" holds true as well for The Simpsons itself: Is there anything this show can't do? --Donald Liebenson