TELEVISION
Wednesday, March 23
BEETHOVEN: ORDEAL AND TRIUMPH (ABC, 10-11 p.m.).-This special studies the early, highly creative years of the composer. It features the Boston Symphony Orchestra and Pianist Claude Frank. U.N.C.L.E.'s David McCallum is the voice of Beethoven.
Thursday, March 24
THE DEAN MARTIN SHOW (NBC, 10-11 p.m.). Relaxing with Dean are the Supremes, Imogene Coca, Jackie Mason, the Tijuana Brass and Jane Morgan.
Saturday, March 26
ABC'S WIDE WORLD OF SPORTS (ABC, 5-6:30 p.m.). Top skiers compete for the Werner Cup in Sun Valley, Idaho.
GOLF WITH SAM SNEAD (NBC, 5:30-6 p.m.). Slamming...