TiVo Guide Week of December 7, 2009 *spoiler alert*

“The Closer” Brenda and her team delve into the gang-related death of a 12-year-old boy, but the case really heats up when two more bodies surface. In domestic developments, Brenda is in store for a surprise, courtesy of Fritz. And Provenza's once-blooming love life begins to wilt. Monday at 9 on TNT.

“Biggest Loser” The winner of the $250,000 grand prize is revealed in the eighth-season finale. Also: The eliminated players return for a final weigh-in and compete for the at-home $100,000 prize; and the third finalist chosen by viewers is announced. Tuesday at 8 on NBC.

“Barbara Walters Special” Walters' 17th annual "Most Fascinating People" special. Included: Adam Lambert, Lady Gaga, Tyler Perry, Kate Gosselin, Sarah Palin, talk-show host Glenn Beck, the NFL's Brett Favre, South Carolina first lady Jenny Sanford and Michael Jackson's children (Paris, Prince Michael I and Prince Michael II). The final person is announced on the program. Wednesday at 10:01 on ABC.

“30 Rock” Jack chances upon a former school flame (Julianne Moore) via a new social-networking site. Elsewhere, Kenneth struggles to arrange a holiday gift swap; Liz futilely tries to buy a gift for the finicky Jack; and a miffed Jenna must share her holiday solo performance. Cheyenne Jackson also guest stars. Thursday at 9:30 on NBC.

“Yes, Virginia” An 8-year-old girl (Beatrice Miller) in 1897 New York tries to discover if Santa Claus actually exists and writes a letter to a newspaper editor (Alfred Molina) as a last resort to find the answer. Neil Patrick Harris and Jennifer Love Hewitt also star. Friday at 8 on CBS.

“Sandra Lee Celebrates: Season of Surprise” A multigenerational holiday party is planned for a family that helped a couple care for triplets who were born dangerously premature. Party-prep projects include preserving family memories and updating heirloom decor. Dan Vickery, from the fourth season of "HGTV Design Star," lends a hand to work on carpentry projects. Saturday at 8 on Home & Garden.

“Christmas at the White House: An Oprah Primetime Special” Oprah Winfrey interviews President Barack Obama and First Lady Michelle Obama during an hour that also follows holiday preparations at the White House. Sunday at 10 on ABC.