I saw these 2009 releases in 2009. The rest of the list (other year's releases and tv shows) is here.
(500) Days of Summer
Away We Go
Dana Gould: Let Me Put My Thoughts in You.
Drag Me to Hell
Friday the 13th (2009)
Futurama: Into the Wild Green Yonder
G.I. Joe: The Rise of Cobra
He's Just Not That Into You
I Love You, Beth Cooper
I Love You, Man
Land of the Lost
Mega Shark vs. Giant Octopus
Monsters vs Aliens
My Bloody Valentine 3-D
My Sister's Keeper
Next Day Air
Observe and Report
Pastor Jones: Preachin' to the Choir
The Butterfly Effect 3: Revelations
The Final Destination
The Girlfriend Experience
The Goods: Live Hard, Sell Hard
The Last House on the Left (2009)
The Lovely Bones
The Ugly Truth
Transformers: Revenge of the Fallen
Where the Wild Things Are
My favorite movie was obviously Pastor Jones Preachin' to the Choir, the script was so good, I don't know why.
You can follow along with my list this year here.