ABC rolled to a primetime ratings rout Sunday, matching the other major networks combined among young adults with its season finales of “Desperate Housewives,” “Grey’s Anatomy” and “Extreme Makeover: Home Edition.”

According to preliminary nationals from Nielsen, “Desperate Housewives” (roughly 13.5 rating/31 share in adults 18-49, 30.7 million viewers overall) delivered the top 18-49 rating for an Alphabet series telecast since the Michael J. Fox farewell on “Spin City” five years ago. Among all entertainment series this season, only the season premiere of “American Idol” rates higher in 18-49.

“Grey’s Anatomy” then dominated at 10 with series highs across the board (roughly 9.6/24 in 18-49, 22 million viewers overall). ABC also won easily at 8 with “Extreme Makeover: Home Edition” (6.9/19 in 18-49, 17.3 million viewers overall).

Fox placed second in 18-49 with a decent tune-in for the network preem of “Star Wars: Attack of the Clones” (3.6/10 in 18-49, 8.5 million viewers overall), while CBS was led by a 10 o’clock repeat of “CSI: Miami” (3.7/9 in 18-49, 11 million viewers overall).

NBC was a distant fourth, led by “The Contender” (2.6/7 in 18-49, 5.9 million viewers overall).

Preliminary 18-49 averages for the night: ABC, 8.5/23; Fox, 3.6/10; CBS, 2.9/8; NBC, 2.1/6; WB, 1.1/3.

In total viewers: ABC, 20.1 million; CBS, 11.7 million; Fox, 8.5 million; NBC, 6.3 million; WB, 2.5 million.