Events in 1957 in animation.
Hanna-Barbera was founded.
December – Metro-Goldwyn-Mayer cartoon studio closes down.
March 20 – Hemo the Magnificent (United States)
The Snow Queen (Soviet Union)
January 5 – Three Little Bops
February 22 – Tops with Pops
November 1 – Tom's Photo Finish
Colonel Bleep in syndication (United States, 1957–1960)
Tom Terrific (United States, 1957–1960)
October 3 – The Woody Woodpecker Show on ABC (United States, 1957–1958)
December 14 – The Ruff & Reddy Show on NBC (United States, 1957–1959)
January 12 – John Lasseter, American director, writer, and animator
September 15 – Brad Bird, American animator and director
October 25 – Nancy Cartwright, American voice actress
October 29 – Dan Castellaneta, American voice actor (Homer Simpson from 'The Simpsons')
1957 in animation Wikipedia (Text) CC BY-SA