NEW YORK -- CBS was the No. 1 prime time network last week, its first win since the official end of the 1983-84 TV season in mid-April.
The A.C. Nielsen prime time ratings for the week ending May 20 gave CBS a 14.3 rating with a 25 percent share of the viewing audience, ABC a 14.2 rating with a 25 share and NBC a 12.7 rating with a 22 share.
The season finale of CBS's 'Dallas' was the top rated show, followed by the last original episode of the season for the network's other prime time soap 'Falcon Crest.'
ABC did well with specials. The two-hour 'The Return of Marcus Welby' tied for fourth place and the first part of the two-part drama 'The Mystic Warrior' placed sixth.
Part 1 of NBC's special two-part movie 'The First Olympics: Athens 1896' placed 52nd, beaten in its time slot by both ABC's two-part Indian saga and repeats of CBS's regular programming.
'CBS Evening News with Dan Rather' won the evening news category with an 10.7 rating and a 23 share, 'NBC Nightly News' had a 9.0 rating with a 20 share and ABC's 'World News Tonight' had an 8.9 rating with an 19 share.
The Top 10 prime time shows for the week ending May 20, according to the A.C. Nielsen Co., were:
1. Dallas (CBS)
2. Falcon Crest (CBS)
3. Miss USA Beauty Pageant (CBS)
4.5. (tie) The A-Team (NBC)
4.5. (tie)ABC Movie Special (The Return of Marcus Welby)
6. ABC Sunday Night Movie (The Mystic Warrior)
7. Three's Company (ABC)
8. Country Music Awards (NBC)
9.10. (tie) Fall Guy (ABC)