ABC’s Lost opened up its 6th season on a new night against stiff original competition (CBS’ NCIS: LA/NBC’s Biggest Loser/Fox’s Idol-fueled Kitchen Nightmares), with a definitive Adult 18-49 victory, beating out its nearest time-period competition from 9-11pm by 51% (5.6/14 vs. 3.7/9 NBC’s Biggest Loser). Lost dominated all 4 of its half-hours in the key young adult sales demo. In a good sign for future viewing, Lost held steady in audience share through its first 3 half hours (14), and then grew a share in its final half-hour (15).
ABC’s Lost stood as Tuesday’s #1 scripted TV show in across the key Adult demos (AD18-34/AD18-49/AD25-54).

Lost was up from its year ago season opener (on Tuesday, 1/21/09) by 6% in Total Viewers (12.1 million vs. 11.4 million), by 12% in Adults 18-49 (5.6/14 vs. 5.0/12) and by 20% in Adults 18-34 (5.5/15 vs. 4.6/13). The Lost premiere produced the series’ highest-rated telecast with Adults 18-49 and Adults 18-34 in nearly 2 years since 2/21/08 and 2/7/08, respectively.

The 6th-year ABC drama premiere generated the Net’s best series Adult 18-49 number in the 2-hour time period since November 2007 since 11/27/07.

Please Note: One of the most recorded and played back shows on TV, on average last season in originals Lost saw its overall audience grow by 1.8 million viewers and jump 23% in Adults 18-49 (+1.0 rating point) from its first-reported Live + Same Day and finalized Live + 7 Day numbers.

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