SUNDAY, JULY 18

PGA Tour: British Open

ABC, 8 a.m., 5 p.m.

From Royal Troon in Ayrshire, Scotland, five and a half hours of coverage of the final round of the 133rd British Open begin at 8 a.m. Highlights will air at 5 p.m.

SUNDAY, JULY 18

U.S. Olympic Finals

NBC, 7 p.m., live

Finals in this two-hour broadcast from Sacramento, Calif., include the men's and women's 1,500-meter and 200-meter races, the women's pole vault, the men's high jump and more.

MONDAY, JULY 19

The Journey Home

EWTN, 8 p.m.

Despite their official name — the Church of Jesus Christ of Latter-Day Saints 'Mormons deny basic Christian doctrines, have an invalid scripture and simply are not Christian. Marcus Grodi's guest tonight is Deacon Steve Seever, a former Mormon.

TUESDAY, JULY 20

Scientific American Frontier

PBS, 9 p.m.

This program explores new finds in archaeology and the new theories they have prompted about who first reached North America and how, by land or sea. The long-dominant “man came by the Bering Strait in 10,000 B.C.” thesis is under challenge.

WEDNESDAY, JULY 21

1421: The Year China Discovered America?

PBS, 9 p.m.

Retired British submariner Gavin Menzies holds that Ming Dynasty explorer Zheng He brought a fleet of more than 100 ships to America 71 years before Columbus. This show studies the fleet's voyages to Southeast Asia, India, Arabia and Africa and asks whether the ships really could have sailed around the Cape of Good Hope to America.

THURSDAY, JULY 22

Wide Angle: Women Rebuild Rwanda

PBS, 9 p.m.

Ten years after Rwanda's majority Hutus slaughtered 800,000 Tutsi and disaffected fellow Hutus, this special says women are playing a large role in business, politics and reconciliation efforts in the area.

FRIDAY, JULY 23

Save Our History: Live From Jamestown

History Channel, 6 a.m.

The Spanish and French, not to mention the Vikings in Newfoundland, preceded them as European settlers in North America, but the English did found a significant colony at Jamestown, Va., in 1607. This episode of “Classroom” views archaeological finds at the site, looks at the settlers' home base in England and hears from an American Indian.

SATURDAYS

Heroes in Conflict

Familyland TV, 10 p.m.

From St. Martin of Tours to St. Joan of Arc and more, the ranks of the saints include many soldiers. In this two-hour show, historian and retired Air Force Col. Paul Whelan, Ph.D., his wife, Pat, and Father Kevin Barrett provide spiritual commentary on war movies.

Dan Engler writes from Santa Barbara, California.