The acclaimed sci-fi thriller "District 9" has given Hollywood a late-summer box office boost.
The alien saga produced by "Lord of the Rings" director Peter Jackson led the weekend with a $37 million debut. Another sci-fi tale, the romance "The Time Traveler's Wife," opened a solid No. 3 with $19.2 million.
The previous weekend's No. 1 movie, "G.I. Joe: The Rise of Cobra," slipped to second place with $22.5 million.
The weekend's other debuts: The used-car comedy "The Goods: Live Hard, Sell Hard," opening at No. 6 with $5.4 million; the animated adventure "Ponyo," coming in at No. 9 with $3.5 million; and the teen rock 'n' roll tale "Bandslam," which tanked at No. 13 with just $2.3 million.