Horton Hears A Who! (2008)
Plot:
One of Dr. Seuss' most beloved stories proves a person's a person no matter how small. A playful pachyderm named Horton becomes a reluctant hero when he discovers the microscopic city of Who-ville on a floating speck of dust and embarks on an adventure to save them.
Director:Steve Martino, Jimmy Hayward
Starring:Steve Carell, Jim Carrey, Seth Rogen, Will Arnett, Carol Burnett