Horton Hears a Who is a 2008 animated film based on the book of the same name by Dr. Seuss. The film features the voices of Jim Carrey, Steve Carell, Amy Poehler, Carol Burnett, Isla Fisher, Seth Rogen, and Will Arnett, while Jan Rabson is amongst the additional voices.
The film aired on Sprout during Family Movie Night on July 9th, 2016.[1] Encores later aired on the 17th and 22nd.