The two-hour “Dateline NBC” drew the highest rating in the 18-49 demo Friday evening, and was the third most-watched program of the night behind two CBS dramas with 5.97 million total viewers. ABC’s “20/20″ at 10pmET, was the fourth most-watched with 4.39 million viewers.

Chris Hansen reported both hours for the NBC program which was up significantly over the week prior. The first hour was devoted to the Joran van der Sloot case and the second to Sedona sweat lodge deaths.