"Can You Afford to Retire?" on PBS

"Can You Afford to Retire?" (9 p.m., PBS): The baby-boomer generation is headed for a shock as it hits retirement: Many boomers may outlive their ability to maintain an acceptable lifestyle. To maintain their standard of living, experts say Americans with pensions or 401(k)-type plans need to accumulate six to 10 times their annual pay before they reach retirement. "Frontline" investigates a looming financial crisis, and its potential impact on middle-class Americans, in "Can You Afford to Retire?" With correspondent Hedrick Smith.
"Celebrity Debut" (8 p.m., ABC): What was John Travolta like before "Saturday Night Fever" and his famous white suit? Uncensored interviews and forgotten footage deliver a glimpse into the humble beginnings of some of today's biggest stars -- including Travolta, Andre Agassi, Halle Berry, Felicity Huffman and Kate Winslet. Actor Brian Austin Green hosts.
"Opus Dei: Unveiled" (8 p.m., History): This special traces the roots of the organization at the center of "The DaVinci Code" and the influence it wields today.
"American Idol" (8 p.m., Fox): The three remaining finalists on "American Idol" go toe-to-toe tonight to determine who will advance to next week's grand finale at Hollywood's Kodak Theatre.