NEW YORK -- CBS maintained its dominance of the Nielsen ratings through the 25th and final week of the season, wrapping it up with a rating of 17.3 and an audience share of 29.8.
ABC held second place with 15.8 and 27.2 and NBC brought up the rear with 13.9 and 24.0.
CBS also walked away with the return to earth of the space ship Columbia. Ratings for early evening newscasts covering the shuttle descent were CBS 13.1 and 26, ABC 12.1 and 24 and NBC 11.7 and 23.
Final season totals were in the same order: CBS 19.8 and 31.3, ABC 18.2 and 28.7 and NBC 16.6 and 26.2.
The top 10 network programs for the week ending April 19, according to the A.C. Nielsen Co., were:
1. Dallas (CBS).
2. M-A-S-H (CBS).
3. Dukes of Hazzard (CBS).
4. 60 Minutes (CBS).
5. Three's Company (ABC).
6. Private Benjamin (CBS).
7. Diff'rent Strokes (NBC).
8 House Calls (CBS).
9. ABC Sunday Night Movie -- 'The Ten Commandments' (ABC).
10. Too Close for Comfort (ABC).