Reality rules!

Live, reality competition shows are dominating the TV ratings. Fox's "American Idol" is still on top, with two nights claiming the top two spots. But ABC is now airing two nights of "Dancing With the Stars" and it claimed spots number three and four, well ahead of the top scripted show, "Two and a Half Men," on CBS.

Fox once again easily won the week in the key 18-49 demo, followed by CBS, ABC, NBC, Univision, CW, MyNetworkTV, Telemundo, TeleFutura, and a tie by Azteca America and Ion.

ABC was nipping at Fox's heels in Household ratings. Fox held onto the top spot with a rating of 6.0 and 10 share, with ABC at 5.8/10. CBS was at 5.5/9, then NBC 4.8/8, Univision 1.7/3, CW 1.6/3, MyNetworkTV 0.8/1, Telemundo 0.6/1, TeleFutura and Ion tied at 0.4/1, and Azteca America at 0.1/0.

Here are the top 20 shows.

Nielsen Television Index Ranking Report
Network primetime (Live + SD) week of 03/17/08 - 03/23/08