1. "CSI: Crime Scene Investigation," CBS, 26.4 million viewers.

2. "American Idol-Tuesday," Fox, 21.2 million viewers.

3. "Friends," NBC, 20.8 million viewers.

4. "American Idol-Wednesday," Fox, 20.3 million viewers.

5. "Survivor: Amazon," CBS, 19.8 million viewers.

6. "ER," NBC, 18.9 million viewers.

7. "Everybody Loves Raymond," CBS, 18.6 million viewers.

8. "CSI: Miami," CBS, 17 million viewers.

9. "Law & Order: SVU," NBC, 15.8 million viewers.

10. "Law & Order: Criminal Intent," NBC, 15.6 million viewers.

Source: Nielsen Media Research for 3/31-4/6