It takes an army of robots and a mega-star to beat Spider-Manthese days, and 20th Century Fox's I, Robot did just that at the weekend, consigningthe arachnid to second place as it opened top on a mighty estimated $52.3m.

Meanwhile Spidey passed $300m on the 19th day of release - the 2002 original did itin 22 - and added $24.2m for a slick $301.7m. Warner Bros' newcomer ACinderella Story openedthird on a lacklustre $13.8m.

I, Robotis Fox's fifth consecutive number one release; it stars Will Smith as a Chicagocop in the not-too-distant future who locks horns with a rogue robot.

Alex Proyas' well received picture is based on the writings ofIsaac Asimov; it averaged $15,277 from 3,420 screens. Bridget Moynahan alsostars.

A Cinderella Story, an updated version of the classic fairy tale, isa starring vehicle for teen queen Hilary Duff who plays a put upon California teenagerwho falls for her high school's Prince Charming (Chad Michael Murray). It averaged$5,257 from 5,257 screens.

Dreamworks' Dodgeball A True Underdog Story passed $100m in its fifth weekend as itfell two places to ninth on $3.2m for $104.6m, while Fahrenheit 9/11 is approaching the milestone afteradding $7m for $93.8m in its fourth weekend and ranks fifth.

Dreamworks' Anchorman is holding up very well in fourth place on $56.5m in its secondweekend, New Line's The Notebook passed $50m for $53.7m in its fourth weekend, and Buena Vista's KingArthur confirmed itsflop status as it fell three to sixth on $6.9m for $37.9m in its secondweekend.

Next weekend's wide releases include Warner Bros' comic bookadaptation Catwoman,starring Halle Berry, Benjamin Bratt and Sharon Stone; and Universal's thrillersequel The Bourne Supremacy, which stars Matt Damon and Joan Allen.

Estimated Top Ten US Jul 16-18 2004

Film (Distributor)/International distribution/Estimated weekendgross/Estimated total to date

1 (-) I, Robot (Fox) Fox Intl $52.3m

2 (1) Spider-Man 2 (Sony) CTFDI $24.2m $301.7m

3 (-) A Cinderella Story (Warner Bros) Warner Bros Intl $13.8m

4 (2) Anchorman (Dreamworks) UIP $13.4m $56.5m

5 (4) Fahrenheit 9/11 (Lions Gate/IFC Films/Fellowship Adventure Group) Wild Bunch $7m$93.8m

6 (3) King Arthur (Buena Vista) BVI $6.9m $37.9m

7 (5) The Notebook (New Line) NLI $5.5m $53.7m

8 (6) White Chicks (Sony) CTFDI $3.4m $63.4m

9 (7) Dodgeball: A True Underdog Story (Fox) Fox Intl $3.2m $104.6m

10 (5) The Terminal (Dreamworks) UIP $3.1m $71.2m