All times Eastern

SUNDAYS

Catholicism: The Heart of History

EWTN, 4 p.m.

In this new series, English commentators James and Joanna Bogle provide vivid insights into the history of the Church and the world. Along the way, they refute anti-Catholic myths. They also remind us that Christ remains with his Church in every epoch so the gates of hell will not prevail against it. Re-airs early Wednesdays at 2 a.m.

SUNDAY, SEPT. 7

Homes of Our Heritage: Homes on the Range

Home & Garden TV, 9 p.m.

Travel to the American West and visit homes built by frontiersman Buffalo Bill Cody, pioneer author Laura Ingalls Wilder and cowboy philosopher Will Rogers.

MONDAY, SEPT. 8

American Experience: The Center of the World

PBS, 9 p.m.

This chronicle of the construction, working life and destruction of the World Trade Center is the eighth episode of Ric Burns' “New York: A Documentary Film.”

TUESDAY, SEPT. 9

Tactical to Practical

History Channel, 9 p.m.

What do global positioning systems, night vision scopes and the Humvee have in common? They were developed for the U.S. military and are now in wide use in civilian life. Each week this new series will look at adaptations of military technology for peacetime purposes. Former fighter pilot Hunter Ellis hosts.

WEDNESDAY, SEPT. 10

Classic Geographic: Those Wonderful Dogs

National Geographic Channel, 10 a.m.

This 1989 video from New Zealand shows dogs helping humans in many ways, including service in World War II, assisting the wheelchair-bound and herding sheep.

THURSDAY, SEPT. 11

Sept. 11 Second Anniversary

All networks, all day

Among TV's many specials about Sept. 11 today, one of the most moving is “The Bravest Team,” on ESPN2 at 9 p.m. The New York Fire Department Football Club lost 21 members on Sept. 11, and their teammates have rebuilt the club in tribute to them.

FRIDAY, SEPT. 12

The World Over

EWTN, 8 p.m.

Tonight's guests are Sen. Rick Santorum, R-Pa., and his wife, Karen, who are recipients of this year's Cardinal John O'Connor Award from the Sisters of Life in New York City. They fight abortion — he in the Senate and she through talks and her 1998 book, Letters to Gabriel, about their four th child, who was born at 20 weeks and died soon after.

SATURDAY, SEPT. 13

Diamonds in the Rough

Discovery Channel, 7 p.m.

Finding diamonds in Canada's rugged North can be done, but it's not exactly easy.