Finales! Joe Millionaire and The Bachelorette finally make their decisions this week. Meanwhile, Bill Maher finds a new home on HBO. The Simpsons offers three shows to celebrate its 300-episode milestone. And Fox also looks back at Married . . . With Children. PBS offers In Tune With History, spotlighting the entertainment that has enlivened the White House. And ABC's Wonderful World of Disney offers an update of Meredith Willson's The Music Man starring Matthew Broderick.

THE SIMPSONS

Sunday at 7:30 p.m. on Fox

The longest-running animated prime-time series celebrates its 300th episode with three back-to-back episodes beginning with "How I Spent My Strummer Vacation" at 7:30. When Homer attends "The Rolling Stones Rock 'N' Roll Fantasy Camp" run by Mick Jagger and Keith Richards, he lives the life of rock star with a little help from guest stars Lenny Kravitz, Elvis Costello, Tom Petty and Brian Setzer.

In the 300th episode "Barting Over," at 8, Bart discovers he was a star of a commercial when he was a baby and Homer has squandered all of the earnings.

Guest stars include Jane Kaczmarek of "Malcolm in the Middle" and skateboard legend Tony Hawk.

The 300th episode will be followed at 8:30 by an original episode "I'm Spelling As Fast As I Can." Lisa attracts a lot of attention when she wins a spelling bee. George Plimpton guests as himself.

The series recently was renewed for two more seasons, which will take the show, created by executive producer Matt Groening, through 16 seasons in 2004-2005.

OPEN HOUSE

Sunday at 9 on CBS

Christine Lahti and Daniel Baldwin star in this off-beat love story about a woman who is starting her life over and falls in love with the most unlikely of men. Also on hand, Eva Marie Saint and Rita Moreno. Designer Colin Cowie from cable's "Everyday Elegance" appears as himself.

The film is based on the best-selling book "Open House" by Elizabeth Berg, which also was an "Oprah" book selection in 2000.

MARRIED WITH CHILDREN REUNION SPECIAL

Sunday at 9 on Fox

The celebration of Fox-comedy longevity continues, featuring clips and interviews on the sitcom that ran 11 seasons.

For more than 10 TV seasons (1987-97), the somewhat atypical Bundys painted a not always pretty, but usually funny, picture of a stereotypical, American working-class family.

"Married" featured Ed O'Neill (now starring on "Dragnet") as Al, with Katey Sagal (currently with "8 Simple Rules for Dating My Teenage Daughter") as his wife, Peg. Christina Applegate and David Faustino played their kids.

JOE MILLIONAIRE SPECIAL

Monday at 8 on Fox

A two-hour finale to the very popular series. After weeks of wining and dining 20 beautiful women who believe he is a millionaire, Evan Marriott must reveal to "The One" that he is in reality a construction worker with a limited income.

Who is the woman that Evan ultimately chooses? Will she accept him for whom he really is, or reject him in search of greener pastures?

And what do the other single women think now that they know the truth?

NOVA: LOST TREASURES OF TIBET

Tuesday at 8 on PBS

Before Leonardo da Vinci painted "The Last Supper," Tibetan craftsmen were creating stunning artistry of their deities in the remote Himalayan kingdom of Mustang. NOVA goes along with the first conservation team from the West as its members undertake the painstaking restoration of these ancient masterpieces and the beautiful monasteries that house them.

THE BACHELORETTE

Wednesday at 8 on ABC

In another reality show finale, Trista's final choice is revealed. In this two-hour program, Trista Rehn, a 29-year-old pediatric physical therapist from Miami, completes the process of sifting through 25 men to pick the one with whom she'll pursue true love. Then the big question: If she proposes, will he say yes?

Host is Chris Harrison of HGTV's "Designers' Challenge."

I'M A CELEBRITY--GET ME OUT OF HERE

Wednesday at 10 on ABC

Eight celebrities will rough it in a remote outpost of the Australian rain forest in this series beginning Wednesday and airing for 15 consecutive nights.

The first week, viewers will vote for one participant to undertake a dare each night. The second week, based on viewer votes, one contestant will be forced to leave each night. The winner will get "a sizable sum" for a charity.

Participants include Tyson Beckford, Julie Brown, Bruce Jenner, Robin Leach, Melissa Rivers, Alana Stewart and Stuttering John. John Lehr will host.