"Cheers" last week was the most-watched show on television for the fifth time this season, while The Cos beat little Bart again.

"Cheers" averaged a 22.4 rating, helping NBC win the week with an average prime-time rating of 13.5, the A.C. Nielsen Co. reported.CBS, whose "60 Minutes" and "Murder She Wrote" each had its highest ratings of the season, was second with a 12.6. ABC had an 11.9. Each ratings point represents 931,000 homes.

NBC rolled out a special hour version of "The Cosby Show" to go up against Fox's "The Simpsons," and Bill Cosby won easily against Bart and his cartoon family.

"Cosby" received an 18.6 to a 15.8 for the Fox show when the two competed for 30 minutes, and drew a 20.2 rating for the full hour.

In the news ratings, ABC and Peter Jennings won for the 43rd consecutive week. It averaged an 11.4. CBS and Dan Rather had a 10.0, NBC and Tom Brokaw a 9.5.

THE TOP 10: "Cheers," NBC; "60 Minutes," CBS; "The Cosby Show," NBC; "NBC Sunday Movie: Three Men and a Baby"; "Designing Women," CBS and "Roseanne" ABC, (tie); "Murder She Wrote," CBS, and "America's Funniest Home Videos," ABC (tie); "Murphy Brown," CBS; "America's Funniest People," ABC.