“Sand and Sorrow” (8 p.m., HBO): George Clooney narrated and executive produced this

“Sand and Sorrow” (8 p.m., HBO): George Clooney narrated and executive produced this emotionally powerful documentary that chronicles the genocide in Darfur. As a bloody byproduct of the ongoing civil war in Sudan, hundreds of thousands of native Sudanese have died, while millions more have been forcibly displaced from their homes and land in the western region of Darfur by their own government. Relying on open access to a contingent of African Union peacekeeping forces, director Paul Freedman offers an exclusive look at the situation via a journey that takes us to the burgeoning refugee camps and the mass graves of Darfur, and examines the international community’s “legacy of failure” to respond to such acts of inhumanity.

“Top Chef Holiday Special” (9 p.m., Bravo): ‘Tis the season for a jolly good food fight. The “Top Chef Holiday Special” pits fan favorites from past installments of the reality series in a heated competition to create the finest holiday meal. The judges will serve up a delicious grand prize of $20,000 to the winner.

“The 10 Most Fascinating People of 2007” (10:02 p.m., ABC): So who made the list this year? Barbara Walters is back with “The 10 Most Fascinating People of 2007,” a special highlighting some of the year’s biggest headline-makers. Guests include Victoria and David Beckham, Justin Timberlake, Katherine Heigl, Jennifer Hudson and Bill Clinton, as well as a few surprises.