Wednesday, March 20
THE AVENGERS (ABC, 7:30-8:30 p.m.).*The last adventure for Mrs. Emma Peel (Diana Rigg), who discovers that her husband, long presumed dead, has been found in the Amazon region. In to replace her as John Steed's (Patrick McNee) partner: Tara King (Linda Thorson), who will take a more curvaceous approach to sleuthing than did Karate Expert Emma.
THE ABC WEDNESDAY NIGHT MOVIE (ABC, 8:30-11 p.m.). Harlow (1965), starring Carroll Baker, with Martin Balsam, Red Buttons, Angela Lansbury and Peter Lawford.
CHRYSLER PRESENTS THE BOB HOPE SHOW (NBC, 9-10 p.m.). Bob's guests are Actresses Anne Bancroft and Jill St. John, and Soul Singer Lou Rawls.
THE JACK BENNY SPECIAL (NBC, 10-11 p.m.). Lucille Ball, Johnny Carson, Ben Blue and Paul Revere and the Raiders join Jack on the midway for "Jack Benny's Carnival Nights," featuring cameo appearances by Bob Hope, Dean Martin, Danny Thomas and the Smothers Brothers in the guise of assorted sideshow performers and carny characters.
Thursday, March 21
NBC CHILDREN'S THEATER (NBC, 7:30-8:30 p.m.). "The Reluctant Dragon," Kenneth Grahame's classic about a boy who befriends a peaceful dragon and prevents St. George from slaying it, is brought to life by Kukla, Fran, Ollie and the other Kuklapolitan Players.
CBS THURSDAY NIGHT MOVIES (CBS, 9-11 p.m.). Ingrid Bergman, Yves Montand and Tony Perkins form the lovers' triangle in Goodbye Again (1961), based on a novel by Francoise Sagan.
Friday, March 22
HIGHLIGHTS FROM THE RINGLING BROS.
AND BARNUM & BAILEY CIRCUS (NBC, 8:30-9:30 p.m.). Presenting, from Baltimore, the 1968 edition of "the greatest show on earth," featuring an array of acrobats, trapeze artists, daredevils and clowns and a caravan of animal acts. And in the cen ter ring, Mike Douglas as host.
BELL TELEPHONE HOUR (NBC, 10-11 p.m.). "Opera: Two to Six" starts with a Tosca duet by Joan Sutherland and Tito Gobbi, grows into the trio from Faust, the Verdi quartet from Rigolctlo, a Wagner quintet from Die Meistersinger, and finally the sextet from Donizetti's Lucia di Lammcrmoor, in which the two are joined by Nicolai Gedda, Jerome Mines, Mildred Miller and Charles Anthony.
Saturday, March 23
NATIONAL INVITATIONAL BASKETBALL TOURNAMENT (CBS, 2-4 p.m.). Finals of the 31st annual postseason tournament pitting two of the nation's top college teams against each other.
ABC'S WIDE WORLD OF SPORTS (ABC, 5-6:30 p.m.). National Tourist Trophy Motorcycle championship from Gardena, Calif.; International Ski Flying championship from Mittendorf, Austria.
Sunday, March 24 THE CBS CHILDREN'S FILM FESTIVAL (CBS, 4-5:30 p.m.). Hand in Hand. A Jewish girl and a Roman Catholic boy become friends in this 1961 film from Britain.
NBC EXPERIMENT IN TELEVISION (NBC, 4:30-5:30 p.m.). "Theater of the Deaf." Arthur Penn, Joe Layton and Gene Lasko direct handicapped actors in scenes from South Pacific, Hamlet and Kismet. Nanette Fabray narrates.
THE 215T CENTURY (CBS, 6-6:30 p.m.). "New Industries" examines how cryogenics, microelectronics and advances in synthetics will affect the industry of the future.