Wednesday, April 17
OUR TIME IN HELL (ABC, 7:30-8:30 p.m.).* Lee Marvin, an old Leatherneck himself, narrates this study of the U.S. Marine Corps's World War II campaigns from Guadalcanal to Okinawa.
THE JULIE ANDREWS SHOW (NBC, 9-10 p.m.). Gene Kelly and the New Christy Minstrels have another go-round with Julie, as her award-winning hour of song and dance is repeated.
Thursday, April 18
NBC CHILDREN'S THEATER (NBC, 7:30-8:30 p.m.). There's something to cackle about when a small boy's pet hen lays an egg that hatches out a dinosaur. That is the case in "The Enormous Egg," a TV adaptation of Oliver Butterworth's story.
Friday, April 19
TOMORROW'S WORLD: MAN AND THE SEA (NBC, 10-11 p.m.). Astronaut-turned-Aquanaut Scott Carpenter and a group of scientists tell how man can and will exploit the oceans for further knowledge about their denizens as well as for food, drugs, oil and minerals.
Saturday, April 20
16TH ANNUAL TOURNAMENT OF CHAMPIONS (ABC, 4-5 p.m.). Top members of the P.G.A. tour compete for $150,000 at the Las Vegas Stardust Country Club. Coverage continues on Sunday, 4-5:30 p.m.
ABC'S WIDE WORLD OF SPORTS (ABC, 5-6:30 p.m.). The National A.A.U. Women's Swimming and Diving Championships, at University of Pittsburgh.
THE WIZARD OF OZ (NBC, 7-9 p.m.). Dorothy and her friends travel the yellow brick road once more as the 1939 classic, always a favorite on television, gets its tenth screening.
Sunday, April 21
CBS NEWS SPECIAL (CBS, 10-11 a.m.). "Unto a Lively Hope," an examination of the Eastern Orthodox Church today, is highlighted by an exclusive interview with its Patriarch, His Holiness Athenagoras I.
NBC EXPERIMENT IN TELEVISION (NBC, 4:30-5:30 p.m.). "Youth '68—Everything's Changing. . . or Maybe It Isn't" is a visual and sound montage juxtaposing outspoken opinions on love, religion, drugs and war with the sights and sounds of popular music and dance. Interviews with the Jefferson Airplane, The Mamas and The Papas and the Vanilla Fudge.
ROMP!! (ABC, 7-8 p.m.). A lighthearted leap through the where-it's-at world of the young, guided by Michele Lee and Ryan O'Neal, with not-so-young Guests Joey Bishop, Sammy Davis Jr., Steve Allen, Jimmy Durante, Liberace and Casey Stengel.
FRANK SINATRA: A MAN AND HIS MUSIC + ELLA + JOBIM (NBC, 9-10 p.m.). After receiving considerable acclaim last fall for this salute to rhythm, the threesome return for an encore.
BROADWAY '68—THE TONY AWARDS (NBC. 10-11:30 p.m.). Angela Lansbury and Peter Ustinov host the 22nd presentation of the Antoinette Perry ("Tony") Awards for theater, highlighted by production numbers from Hello, Dolly!, Golden Rainbow, Happy Time and How Now, Dow Jones.
Monday, April 22
THE BEAT OF THE BRASS (CBS, 9-10 p.m.). Herb Alpert and the Tijuana Brass take a musical trip around the U.S. stopping in such places as New Orleans during Mardi Gras, the children's zoo in Los Angeles, and New York's Ellis Island.
Tuesday, April 23