Bad reviews notwithstanding, the built-in fanbase for The Last Airbender was sufficient to rocket the much-ridiculed M. Night Shyamalan adaptation to a respectable second place with $70 million over five days (and making the predictions that the film will end the director's career kind of silly). That said, the poor word-of-mouth will likely make the movie's returns drop like a stone over the coming weeks, and it will have to look overseas to recoup its inflated budget. The promised sequel is, I think, doubtful; this could be a repeat of The Golden Compass.

Twilight faces no such problems. Eclipse had itself a field day, raking in almost as much since its Wednesday opening as the first of the series did in its entire run. The Twilight flicks generally have pretty steep second-weekend drops, but Eclipse should still end up the highest-grossing of the three films. Determined to milk this cow dry, Summit has split the last novel in the franchise, Breaking Dawn, into two films, a la Harry Potter. I remain somewhat outraged over the Potter split, since Deathly Hallows is the one book that doesn't merit that treatment (it's kinda uneventful). Can't comment on Breaking Dawn.

Toy Story 3 held up very well and crossed the $300 million mark. It should be the highest-grossing Pixar movie ever by the end of next weekend. The Karate Kid is also holding well, and will push toward $180 million. Knight & Day, which will struggle to get to $75 million, will go down as one of the summer's biggest disappointments. And the indie Cyrus expanded to just over 75 screens and snuck into the top 10.

The 4-day top 10 after the jump.

1 - Eclipse (Summit) - $82.5 ($18,475) - new - $175.3
2 - The Last Airbender (Paramount) - $53.2 ($16,772) - $70.5
3 - Toy Story 3 (Disney) - $42.2 ($10,447) - 29% - $301.1
4 - Grown Ups (Sony) - $26.5 ($7,499) - 35% - $85.1
5 - Knight & Day (Fox) - $14.0 ($4,510) - 30% - $49.3
6 - The Karate Kid (Sony) - $11.5 ($3,699) - 26% - $155.0
7 - The A-Team (Fox) - $4.3 ($1,986) - 31% - $70.4
8 - Get Him to the Greek (Universal) - $1.7 ($1,915) - 46% - $57.9
9 - Shrek Forever After (Dreamworks Animation) - $1.3 ($1,315) - 59% - $232.6
10 - Cyrus (Fox Searchlight) - $1.0 ($13,234) - +238% - $1.7

Next weekend: Universal's Despicable Me enters a crowded family-film market, and Fox's Predators will try to capitalize on its good buzz and the lack of any real genre competition right now.