The Bachelorette (7 p.m., Ch. 4): DeAnna makes her choice in the season finale of this incredibly stupid show, and we're promised a big surprise. Then it's the even less-palatable After the Rose (9 p.m., Ch. 4), in which DeAnna and the guys get together for recriminations ... er, uh, a reunion.

History Detectives (8 p.m., Ch. 7): Investigating a flag and a painting.

Dateline (9 p.m., Ch. 5): A couple are stranded in the waters of the Great Barrier Reef.

The War of the World (9 p.m., Ch. 7): This revisionist history of World War II continues.