Simba: The King of the Beasts is a 1928 American black-and-white sound documentary film, directed by Martin and Osa Johnson, which features the couple's four-year expedition to track the lion across Kenyan veld to his lair. While the film has no audible dialog, it was released with a synchronized musical score with sound effects using both the sound-on-disc and sound-on-film process. The film, which went on nationwide general release on January 25, 1928 (1928-01-25), was premiered at the Earl Carroll Theatre in New York on January 23, 1928 (1928-01-23). The film entered the public domain on January 1, 2024.