On TV tonight
Life Inside the Vatican, 9 p.m., NatGeo Filmmakers got to go through the Vatican's buildings, vaults and archives for more than a year, and they still couldn't figure out the Da Vinci Code. Call Tom Hanks!
SEASON PREMIERE 16 and Pregnant, 10 p.m., MTV Stats say 30 percent of girls in the United States will get pregnant before they turn 20, but MTV won't let the numbers stay that low for long.
SEASON PREMIERE Explorer, 10 p.m., NatGeo More Catholicism, as the church allows forensics experts to examine the remains of Saints Chrysanthus and Daria, just to see if they really are who they are supposed to be. Tom Hanks would know.
SEASON FINALE Parenthood, 10 p.m., NBC Sarah starts worrying about Amber after she's in an accident. Before that, Amber was on her own.
— Joshua Gillin firstname.lastname@example.org