Renting a DVD? BDN film critic Christopher Smith can help. Below are his grades of recent releases. Those in bold print are new to stores this week.

Baby Mama – B

Deception: D+

Definitely, Maybe – B+

The Diving Bell and the Butterfly – A

Forbidden Kingdom – B-

Forgetting Sarah Marshall – B-

Get Smart: DVD, Blu-ray – C-

The Happening – B

Hellboy II – The Golden Army: DVD, Blu-ray – B+

The Incredible Hulk – B+

Indiana Jones and the Kingdom of the Crystal Skull – B-

Iron Man – A-

Kit Kittredge: An American Girl – B+

Leatherheads – B-

Never Back Down – D

The Other Boleyn Girl – B-

Penelope – B-

Persepolis – A-

Prom Night – D

The Ruins – C+

Sex and the City: B-

Shine a Light – A-

Son of Rambow – B

Speed Racer – D-

The Spiderwick Chronicles – C+