This past weekend marked Pixar and Disney's tenth consecutive number one opener as Up took the box office by storm. Sam Raimi's new scare-fest Drag Me To Hell did okay taking third, but was still nudged down by last week's leader Night at the Museum: Battle of the Smithsonian. Here's the top five:

1. Up $68.1 million
2. Night at the Museum: Battle of the Smithsonian: $24.4 million
3. Terminator Salvation: $16.4 million
4. Drag Me to Hell: $15.8 million
5. Star Trek: $12.6 million

All three of this week's new releases are going for laughs but in very different ways.

The Hangover
What's It All About:
Four friends head to Vegas for a bachelor party blowout, but the next morning the groom is missing, there's a tiger in their hotel bathroom and someone has left a baby with them. Yeah, if I had a nickel for every time...
Why It Might Do Well: Based on the trailer, this is the sort of drunken escapade everyone wishes they could brag about. At the moment is giving the flick a pretty sweet 100% fresh rating.
Why It Might Not Do Well:
There's a lack of star power and some serious competition.
Number of Theaters:
$26 million

Land of the Lost
What's It All About:
In this reimagining of the classic Saturday morning TV show, Will Ferrell plays a scientist who finds himself transported to a world full of dinosaurs and lizard people.
Why It Might Do Well:
Between the nostalgia factor and Ferrell's box office appeal, there will be some money made here.
Why It Might Not Do Well:
Will Matt Lauer's fans keep away after the dissing he takes in the trailer?
Number of Theaters: 3,300
Prediction: $35 million