Premise: This is a list of films produced by the U.S. film studio 20th Century Fox Film Corporation and released between its May 31, 1935 creation as a merger between Fox Film Corporation (1915–1935) and 20th Century Pictures (1933–1936) until 1999. For subsequent releases by 20th Century Fox, see List of 20th Century Fox films (2000–present).
Hypothesis: When 20th Century Pictures merged with Fox Film Corporation in 1935, the head of the newly formed merger company came from Fox Film Corporation