SIJNffiAY, -$[J$-Y 1 $N'nConcert for Diana" Princes Wiiliam and Harry thought up this concert to celebrate their mother's birthday. lt'tl have performances by some of her favorite acts, including Elton John and Duran Duran, and some she would have fancied, like Lily Allen. (NBC, 8 p.m.) N "The Secret Show" shhhh... this is on the q.t. ... but season two of this animated spy program from the U.K. begins tonight, with Professor Professor and the U.Z.Z. battling the lmposters to save the world. (Nicke/odeon,8 p.m.) F$SNMAV.</p><p> JIJE*Y X N* "Big Love" lf you think your life is difficult, sit back and enjoy the angst of Bill (Bill Paxton), a polygamist with multiple wives, multiple headaches, legal troubles and maybe a financial out via sfot machines in his future. fi9o,9 p.m.) N "History Detectives" A red, white and blue edition of the show that tracks down the historical truth behind antiques looks at a $6 bill from 1776, a pin said to be melted down from a piece of the Liberty Bell and a British lO-shilling note purportedly signed by Patton, Churchill and Roosevelt. (PBS,9 p.m.) TUffiSNAK JU*-V $ N "Wide Angle: The People's Court" No, not a Judge Wapner biopic, but a look at the development of the legal system in China.</p><p> Very different, those two. (PBS, I p.m.)ti ti: t: !:: iiiN\:i:jii !:::'tit: I -- -jgqq$gs"ry-ffi-dgi.Y -4-- -N ('Hot Dog Eating Contest" The 92nd annual Nathan's Famous cram fest, with Kobayashi of Japan the six-time defending champ, Come on, America! This is getting embarrassing.</p><p> And also frlling. (ESFN, 12 p.m.) N "Macy's 4th of July Fireworks Spectacular" the local edition, with musical performances from the "American ldol" standouts Jordin Sparks, Blake Lewis and Melinda Doolittle.</p><p> UBc,9 p.m.) N "Boston Pops FireWorks Spectacular" A scottish host ("Late Late Show" man Craig Ferguson), a piece celebrating Russia's defeat of Napoleon (the traditional "1812 Overture") and a frery left-wing rocker (John Mellencamp) - and still, All-American. (CBS,9 p.m.) N "A Capitol Fourth" PBs-style Independence Day flavor, thanks to Bebe Neuwirth and gospel icon Yolanda Adams.</p><p> But don't worry, they've got the "1812 Overture" too. (PBS, 9:30 p.m.) T${URSSAY, JUtY S W "Soundstage - Macy Gray" The lovely, gravelly voiced Grammy winner and actress brings her idiosyncratic soul to chicago for this intimate concert featuring "l Try" and new single "Finally Made Me Happy." (PBS, 12:30 a.m.) N "Boneyard" where do cars go to die? This new series has the answer, and it ain't glamorous. (Histary,9 p.m.)KEN GOLDFIELD{ Fft$MAY JIJLY S N "Doctor Whot'The third season of the much- revived Doctor kicks off with a g0-minute Christmas Confused? Now you know how the Doctor feels. (SciFi 9 SATURM,AV, JtiI*Y 7 N "Avenging Angel" Kevin Sorbo ("Hercules") is preacher in the old West who discovers some righteous when his wife and son are murdered by a greedy this new TV movie. (Hallmark,9 p.m.) N "New York Yankees Old-Timers' Day" Manager-hopefuls Joe Girardi and Don Mattingly check see who gets more support from the fans during the celebration of Yankee greats, followed by a game against Los Angeles. (YES, 1 p.m.) Michael Giltz
