TiVo Guide Week of May 19, 2008 *spoiler alert*

"Gossip Girl" In the first-season finale, Blair comes to Serena's defense and faces off with Georgina, while an emotional Serena finally comes clean to Dan about her past. Elsewhere, Lily continues planning her extravagant wedding to Bart, but thoughts of Rufus keep distracting her. Model and heiress Lydia Hearst guest stars as Lily's interior decorator. Monday at 8 on The CW.

"Bones" In the third-season finale, the arrival of a human jawbone at the Jeffersonian looks like the work of the Gormogon, while the disappearance of the silver skeleton from the lab suggests one of their own may be working as the serial killer's apprentice. Monday at 8 on Fox.

"House" In the conclusion of the two-part fourth-season finale, House remains held back by his bus-accident injuries as he struggles to recall the symptoms he noticed in a rapidly deteriorating fellow passenger just before the crash. House's cloudy memories from the accident also threaten his friendship with Wilson. Bartender: Fred Durst. Monday at 9 on Fox.

"NCIS" In the fifth-season finale, the agents are all at risk as they search for a killer who took the life of one of their own. Sasha Gordon: Betsy Rue. Viggo Drantyev: Oleg Taktarov. Leon Vance: Rocky Carroll. Natasha Lenkov: Kathleen Gati. George: Terrence Hardy. Debra Green: Sheila E. Frazier. Tuesday at 8 on CBS.

"Reaper" In the first-season finale, the demons fear that Sam threatens their rebellion, so they set a trap for him. Meanwhile, Sock finds himself falling for a female demon (Cindy Sampson). Tuesday at 9 on The CW.

"Shark" In the series finale, Sebastian's nemesis, convicted murderer Wayne Callison (Billy Campbell), escapes from prison and threatens to take revenge on Sebastian by harming Julie. Tuesday at 10 on CBS.

"CSI: NY" In the fourth-season finale, a bank robbery goes wrong and a manager is gunned down. The botched attempt and shooting prompt a nervous gunman to take hostages and to demand that a CSI be brought in to prove he is innocent. Wednesday at 10 on CBS.

"Law & Order" Season 18 ends with the murder of a jeweler. The investigation leads detectives to a prostitution ring run by the victim's brother-in-law. The resulting trial proves to be a challenge for McCoy, whose career is threatened because of the probe. Tom Everett Scott guest stars. Wednesday at 10 on NBC.

"Real World" Greg causes trouble when he invites promiscuous women to the house. Meanwhile, Sarah gets irate when someone steals her panties, Will woos Greg's girlfriend for revenge, and Sarah's boyfriend Ryan visits. Wednesday at 10 on MTV.

"Ugly Betty" In the second-season finale, Betty weighs the pros and cons of a sudden romantic dilemma. Meanwhile, Mode faces supermodel Naomi Campbell and the staff of Elle magazine in a charity softball game, Hilda hears surprising information about Coach Diaz, and a young French boy makes a claim that shocks the Meade empire. Kimberly: Lindsay Lohan. Thursday at 8 on ABC.

"So You Think You Can Dance" The fourth season begins with auditions. Thursday at 8 on Fox.

"Grey's Anatomy" In the fourth-season finale, the surgeons work as a team to free a boy from a hardening block of cement. Meanwhile, Meredith and Derek have one last chance at a positive outcome in their clinical trial, Izzie helps Alex care for an ailing Rebecca, and Lexie finds out crucial info about George's intern status. Thursday at 9 on ABC.

"Man vs. Wild" Conclusion. Bear faces his second week in Indonesia, sleeping in trees and navigating across waterfalls and sheer cliffs, surrounded by devastation wrought by the 2004 tsunami. Friday at 9 on Discovery.

"Final Approach" A former FBI agent (Dean Cain) aboard a hijacked plane attempts to combat the efforts of a radical separatist (Anthony Michael Hall), who's demanding the release of a captured cult leader. Meanwhile, the FBI and FAA work furiously on the ground to ensure the flight's safe return. Lea Thompson, Ernie Hudson and Sunny Mabrey also star. Saturday at 8 on Hallmark.

"Austin City Limits" Season 34 opens as R.E.M. perform selections from their acclaimed 2008 CD, "Accelerate." Saturday at 9 on PBS.

"Meerkat Manor: The Story Begins" Whoopi Goldberg narrates this tribute to Flower the meerkat, a chronicle of her development from a pup into the matriarch of the Whiskers clan, filmed over a seven-month period in the Kalahari using the modern wildlife photography technology. Sunday at 8 on Animal Plan.

"Recount" Kevin Spacey and Tom Wilkinson lead an ensemble cast in a depiction of the controversy that enveloped the 2000 U.S. presidential election and the fight in Florida between representatives of Al Gore and George W. Bush. Denis Leary, Bob Balaban, Laura Dern, Ed Begley Jr., John Hurt. Directed by Jay Roach. Screenplay by Danny Strong. Sydney Pollack is an executive producer. Sunday at 9 on HBO.

"Meerkat Manor: The Story Begins" Whoopi Goldberg narrates this tribute to Flower the meerkat, a chronicle of her development from a pup into the matriarch of the Whiskers clan, filmed over a seven-month period in the Kalahari using the modern wildlife photography technology. Sunday at 10 on Animal Plan.

"Ax Men" A recap of the first season. Sunday at 10 on History.