>Sunday, Aug. 2 WAR AND CIVILIZATION Learning Channel (9 p.m. ET) This eight-hour survey of military history, from the ancient Greeks to the latest nukes, runs till Wednesday. Walter Cronkite narrates.
Monday, Aug. 3 XENA: WARRIOR PRINCESS USA (7 p.m. ET) The statuesque bone crusher goes back to Episode One, as weeknight reruns begin.
Tuesday, Aug. 4 BIOGRAPHY: DENZEL WASHINGTON
A&E (8 p.m. ET) The star of Malcolm X and He Got Game looks handsome in profile.
Wednesday, Aug. 5 WHOSE LINE IS IT ANYWAY? ABC (9:30 p.m. ET) Wing it with Drew Carey as he plays host on the premiere of this summer comedy-improv show.
Thursday, Aug. 6 NIGHTLINE IN PRIMETIME ABC (10 p.m. ET) In the first of five Thursday specials, Ted Koppel looks at crime and punishment in America.
Friday, Aug. 7 MILLENNIUM FOX (9 p.m. ET) Long-faced Frank Black probes a D.C. murder in the first of a two-parter.
Saturday, Aug. 8 CONTACT HBO (9 p.m. ET) Jodie Foster is out of this world in the cable debut of the 1997 sci-fi movie.