Fast National ratings for Thursday, June 4, 2009.

The opening game of the NBA Finals, which saw the Los Angeles Lakers putting a smackdown on the Orlando Magic, helped ABC win Thursday night in most key measures.

Among adults 18-49, ABC averaged a 3.8 rating, beating the 2.4 rating for second place FOX. CBS and NBC tired for third in the key demographic with a 1.6 rating, followed by the 0.4 rating for The CW.

Overall, ABC averaged an estimated 9.41 million viewers to go with a 5.7 rating/10 share. CBS was second with a 4.9/8, followed closely by the 4.6/8 for FOX and NBC's 3.6/6. The CW was last with a 0.9/2.

ABC began the night in first with a variety of pregame showcases averaging a 4.4/8 for the 8 p.m. hour. FOX's "Bones" was a very close second, beating the 3.7/7 for CBS' "The Big Bang Theory" and "The New Adventures of Old Christine," while NBC's "I'm a Celebrity... Get Me Out Of Here" had a 3.5/6 and improved on Wednesday's viewership and demo numbers. The CW's "Smallville" had a 1.0/2 for fifth.

The NBA Finals game delivered a 6.4/11 for ABC in the 9 p.m. hour. CBS' "CSI: Crime Scene Investigation" took second, nipping the 5.1/9 for the Top 20 reveal episode of FOX's "So You Think You Can Dance." NBC's "The Listener" had a 3.6/6 in its premiere. The CW trailed with "Supernatural."

ABC stayed in first at 10 p.m. with a 6.5/11 for the NBA action. CBS' "The Mentalist" was second with a 5.7/10. NBC's "The Listener" had a 3.7/6 in its second original airing.

All ratings information comes from preliminary Fast National Nielsen data, which includes live and same-day DVR viewing. All numbers are subject to change.