Top titles at U.S. Blockbuster stores for week ended Dec. 14.

1. The Dark Knight ***1/2 (PG-13) *

2. Wanted **1/2 (R)

3. Step Brothers *** (R)

4. Horton Hears a Who ***1/2 (G) *

5. Hancock ***1/2 (PG)

6. The Chronicles of Narnia: Prince Caspian *** (PG)

7. Tropic Thunder *** (R)

8. Fred Klaus ** (PG)

9. The X-Files: I Want to Believe ** (PG-13)

10. WALL-E *** (G)

* New this week. Stars indicate ratings from Inquirer reviewers. Movies without stars were not reviewed by The Inquirer.