"Finding Nemo," 2003's highest grossing film from Pixar Animation Studios (Walt Disney Pictures), led feature nominations with 12 including Outstanding Achievement in an Animated Theatrical Feature as well as nominations for Character Animation, Character Design, Directing, Effects Animation, Music, Production Design, Writing and Voice Acting (Ellen DeGeneres as the voice of Dory.) "Brother Bear" from Walt Disney Pictures followed with seven nominations for Outstanding Achievement in an Animated Theatrical Feature and for six other individual achievement categories. Rounding out the nominations for top animated theatrical feature are "Looney Tunes: Back In Action" from Warner Bros. Animation, "Millennium Actress" from Go Fish Pictures and "The Triplets of Belleville" from Les Armateurs (Sony Pictures Classics).
For primetime television, perennial favorite and Annie winner for more than ten years running "The Simpsons" from Gracie Films again garnered a nomination for Outstanding Achievement in an Animated Television Production sharing the category with "Captain Sturdy" (Renegade Animation), "The Fairly OddParents" (Nickelodeon), "Samurai Jack" (Cartoon Network Studios) and "Spider-Man Animated Series" (Adelaide Productions, Inc.). "My Life As a Teenage Robot (Federator Studios), "Samurai Jack," "The Simpsons" also led the field with multiple nominations across television categories.
The Annie Awards, the original awards for the industry, honor animation excellence across 22 categories including Production Design, Character Animation, Effects Animation, Writing, Music, Directing, Storyboarding and Voice Acting for both film and television productions; Theatrical Feature, Home Entertainment, Short Subject and Television (produced for children and primetime). Entries submitted for consideration must be from productions that originally aired, were exhibited in an animation festival or commercially released in their country of origin between January 1, 2003 and December 31, 2003.