From the days of “Our Gang” and Shirley Temple to Drew Barrymore and the Olsen twins, people have been obsessed with child stars and the way they grew up and adjusted. Or didn’t. The guilty pleasure half-hour series “Child Star Confidential” (4 p.m. today, E!) enters a second season asking, “Where are they now?”

Today’s installment follows up on former teenage boy sensations, including Ricky Martin, Jonathan Taylor Thomas and Malcolm-Jamal Warner. Kirk Cameron sits down for an interview to discuss his move from the Hollywood mainstream. The “Growing Pains” heartthrob has most recently appeared in direct-to-video adaptations of the “Left Behind” bestselling books.

¢ “Countdown to Ground Zero” (7 p.m. Sunday, History) looks at the fateful day on a moment-by-moment basis and how it unfolded for a cast of characters, including terrorists, firemen, FBI agents, airport flight-control workers and people going about their workday routine on Sept. 11, 2001.

Today’s highlights

¢ Scheduled on a two-hour “Dateline” (7 p.m., NBC): an update on the murder of an affluent woman in a posh locale.

¢ Dick Clark hosts “50th Anniversary Blooper Celebration” (7 p.m., ABC). This first aired in 2003.

¢ Tim McGraw performs with his wife, Faith Hill, on the 2004 special “Here and Now” (7 p.m., CMT), originally broadcast on NBC.

¢ Piper Perabo, John Goodman and Tyra Banks star in the 2000 drama “Coyote Ugly” (8 p.m., ABC).

¢ The animated British satire “Monkey Dust” (8 p.m., Sundance) uses animal behavior to send up pop culture and social mores.

¢ Scheduled on “48 Hours Mystery” (9 p.m., CBS): a baby’s kidnapping.

¢ Gunshots and family crises on “Crossing Jordan” (9 p.m., NBC).

Sunday’s highlights

¢ Scheduled on “60 Minutes” (6 p.m., CBS): an interview with Iran’s president Mahmoud Ahmadinejad; a repeat profile of Stephen Colbert.

¢ Scheduled on “Dateline” (6 p.m., NBC): a profile of Pentecostal Bishop Carlton Pearson, whose changed views cost him members of his congregation; home-renovation scams.

¢ “ShakespeRetold” (6 p.m., BBC America) takes a crack at “Macbeth,” setting the bloody tragedy in the cutthroat restaurant business.

¢ Life after an explosion on “Extreme Makeover: Home Edition” (7 p.m., ABC).

¢ The Cincinnati Bengals host the Washington Redskins in preseason NFL action (7 p.m., NBC).

¢ Yoanna House (“America’s Top Model”) hosts “The Look for Less” (7 p.m., Style).

¢ The gadgets of tomorrow can be seen on “Kitchens & Baths 2006” (7 p.m., HGTV).

¢ Lily’s father shows up on “Desperate Housewives” (8 p.m., ABC).

¢ Labor strife divides the hospital on “Grey’s Anatomy” (9 p.m., ABC).

¢ A bike messenger vanishes on “Without a Trace” (9 p.m., CBS).

¢ Mary Rose is caught on “Brotherhood” (9 p.m., Showtime).

¢ Angela goes undercover as a teacher in a drug-ridden school on “Angela’s Eyes” (9 p.m., Lifetime).