Mary Poppins Returns development hell since the release of the 1964 film. Walt Disney attempted to produce a sequel a year subsequent to the film's release, but was rejected by author P. L. Travers, who had openly dismissed Disney's film adaptation. In the late 1980s, then-chairman of Walt Disney Studios Jeffrey Katzenberg and vice-president of live-action production Martin Kaplan approached Travers with the idea of a sequel set years after the first film, with the Banks children now as adults and an older Mary Poppins with Julie Andrews reprising the role. Travers again rejected the proposed concept with the exception of Andrews' return.
Mary Poppins (film) tea party on the ceiling, telling jokes. Mr. Banks becomes annoyed by the household's cheery atmosphere, and threatens to fire Mary Poppins. Instead, Mary Poppins inverts his attempt by convincing him to take the children to the bank for a day. Mr. Banks takes Jane and Michael to the bank, where they meet Mr. Dawes Sr, and his son. Mr. Dawes aggressively attempts to have Michael invest his tuppence in the bank, snatching it from him. Michael demands it back, causing other customers to misinterpret, and all demand their own money back, causing a bank run. Jane and Michael flee