On Big Brother 2 (8 p.m., CBS), the two houseguests marked for banishment, Nicole and Sheryl, try to win friends and influence votes. Dharma takes up boxing on a rerun of Dharma and Greg (9 p.m., ABC). In case you missed it, the season opener of The Real World (9 p.m., MTV) has another showing. Dateline NBC (10 p.m., NBC) presents "Sex and Sensibility," a special report on American sexual attitudes and behavior. Naturally, it includes a segment on Internet porn and intimate e-mail, two subjects that arise with suspicious frequency on "Dateline." P.O.V. (10 p.m., PBS, check local listings) offers "Of Civil Rights and Wrongs: The Fred Korematsu Story," a documentary look at the World War II internment of Japanese-Americans from the perspective of one who defied the order.
The 72nd All Star Game, from Seattle (8 p.m. ET/5 PT, Fox)
Rosie O'Donnell (syndicated) Jennifer Love Hewitt, 98 Degrees (rerun)
David Letterman (CBS) Julia Roberts, Travis
Jay Leno (NBC) John Travolta, James King (rerun)
Politically Incorrect (ABC) Jay Leno, William H. Macy
Conan O'Brien (NBC) James Woods, Selma Blair, Scout
Craig Kilborn (CBS) Samantha Mathis
All times Eastern unless noted.