TiVo Guide Week of May 12, 2008 *spoiler warning*

"How I Met Your Mother" Britney Spears returns as Abby, who is now dating Barney, and the pair, realizing how much they currently dislike Ted, decide to flaunt their romance in front of him at the bar. Barney, however, goes a bit overboard and does something impulsive. Cafe Guy: Johnny Palermo. Lawrence: Todd Sherry. Walter: Steve Hasley. Monday at 8:30 on CBS.

"The Hills" Season 3 concludes. Monday at 10 on MTV.

"The Bachelor: London Calling" In the season finale, Matt proposes marriage to the recipient of his final rose. But before making that thorny decision, he takes finalists Chelsea and Shayne home to London to meet his family. The three also return to Barbados, where both give Matt gifts meant to convey their deep feelings for him, and he says that he has fallen in love with both. But he must choose just one. Monday at 10:02 on ABC.

"Dancing With the Stars" The eighth results show of the season. Included: a performance of Michael Jackson's "Thriller," featuring R&B singer Omarion and a 19-member dance troupe, and a medley of Jackson's hits; the top three youngsters do their final routines in the Kids Ballroom Dancing Competition. Tuesday at 9 on ABC.

"Deadliest Catch" As king-crab season comes to an end, the size of the crews' paychecks depends on their captain's skills; Capt. Johnathan has good luck fishing on the Time Bandit, but the same can't be said for the crew and boat; the North American rejoins the fleet. Tuesday at 9 on Discovery.

"Women's Murder Club" In the first season finale, Lindsay hunts a serial killer, putting her life and her romance on the line in the process. Martin Boxer: Gerald McRaney. Pete Raynor: Joel Gretsch. Tuesday at 10:02 on ABC.

"America's Next Top Model" As the 10th season concludes, the three remaining models shoot a cosmetics commercial and pose for a print ad. The judges then send one lady packing. The final two contestants take part in a runway challenge to determine the winner. Cycle 9 winner Saleisha Stowers appears. Wednesday at 8 on The CW.

"Deal or No Deal" The series wraps up its world tour in Johannesburg, where two players go for the million. Wednesday at 8 on NBC.

"American Idol" One of the three remaining finalists is voted off. Wednesday at 9 on Fox.

"Smallville" In the seventh-season finale, Brainiac impersonates Kara, whom he has imprisoned in the Phantom Zone, and in her guise he takes Lex to the Fortress for a showdown with Clark. Meanwhile, Chloe is arrested by the Department of Domestic Security; and Lana awakens from her comatose state. Thursday at 8 on The CW.

"ER" In the 14th-season finale, the actions of a drunken patient (Steve Buscemi) endanger everyone at County. In other events, Pratt makes a move toward becoming chief; Gates worries about his future with Sam; and Kovac has an unexpected encounter with Dr. Moretti (Stanley Tucci). Thursday at 10:01 on NBC.

"Lost" Part 1 of 3. The showdown between the survivors and the freighter people begins. Richard Alpert: Nestor Carbonell. David Reyes: Cheech Marin. Margo Shephard: Veronica Hamel. Karen Decker: Michelle Forbes. Mr. Paik: Byron Chung. Thursday at 10:02 on ABC.

"Battlestar Galactica" Guess What's Coming to Dinner Friday at 10 on Sci Fi.

"America's Most Wanted" Commemorating the 1000th capture sparked by publicity generated by "America's Most Wanted" since the program debuted in 1988. Saturday at 9 on Fox.

"Dark Beauty" A young widow (Elizabeth Berkley) involved with a millionaire is investigated by his friend, who discovers the woman has had multiple aliases---and husbands, all of whom died under mysterious circumstances. Alicia Coppola, Jeremy Howard. Saturday at 9 on Lifetime.

"Saturday Night Live" Season 33 ends with host Steve Carell and musical guest Usher. Saturday at 11:29 on NBC.

"Simpsons" In the 19th-season finale, Lisa receives Springfield's Entertainer of the Year Award, and Sideshow Mel narrates her history in showbiz in a wry spoof of "All About Eve." Drew Carey voices himself. Sunday at 8 on Fox.

"Desperate Housewives" In the fourth-season finale, Mike and Susan show off their bundle of joy; Gaby forms a strong bond with her tenant, Ellie (Justine Bateman); and Lynette is accused of child abuse. Then death threats rock Wisteria Lane; Susan faces the loss of a loved one; and Katherine's secrets are revealed. Wayne Davis: Gary Cole. Sunday at 9 on ABC.

"The Game" The second season ends with Derwin and Jerome getting into a fight over Melanie. Elsewhere, Malik tells Robin Givens he loves her and wants the two of them to commit to a relationship; and the team's new owner shows more interest in Kelly than in re-signing Jason. Sunday at 9 on The CW.