This week's guest co-host is: Jay Leno

This weekend (8/12), Richard Roeper and guest critic Kevin Smith review:

• WORLD TRADE CENTER with Nicholas Cage, Michael Pena, Maria Bello and Maggie Gyllenhaal
• STEP UP with Channing Tatum and Jenna Dewan
• SCOOP with Woody Allen, Scarlett Johansson and Hugh Jackman
• HALF NELSON with Ryan Gosling and Shareeka Epps