Universal's R-rated pot comedy How High smoked its way to a fifth place with an estimated $7.6 million at 1,266 theaters (an impressive $6,003 per theater).
It's directed by Jesse Dylan and stars rappers Method Man and Redman.
Slowly losing steam, Warner Bros.' Harry Potter and the Sorcerer's Stone dropped two spots to finish sixth, making $6.7 million-a 38 percent drop from last week, at 3,311 theaters (-111 theaters; $1,863 per theater). Its cume is approximately $236.1 million in domestic theaters.
Directed by Chris Columbus, it stars Daniel Radcliffe in its title role.
Sony's R-rated youth flick Not Another Teen Movie fell four notches to place seventh with an estimated $5.5 million (-56%) at 2,365 theaters ($2,326 per theater). Its cume is approximately $21.6 million.
Directed by Joel Gallen, the film stars Jaime Pressly, Mia Kirshner, Chyler Leigh, Chris Evans and Cody McMains.
Warner Bros.' The Majestic made a weak debut in eighth place with a dull estimated $5 million at 2,361 theaters, with an average of $2,128 per theater.
The PG-rated drama directed by Frank Darabont stars a subdued Jim Carrey.
Fox's Joe Somebody eked by in ninth spot. The PG-rated comedy opened with an estimated $3.6 million at 2,503 theaters ($1,458per theater).
Directed by John Pasquin, the film stars Tim Allen, Julie Brown, Hayden Panettiere and Greg Germann.
Rounding out the top ten was Buena Vista's Monsters, Inc., down four rungs in its eighth week with an estimated $3.5 million at 2,097 theaters (-585 with an average of $2,530 per theater). Its cume is approximately $224.1 million.