Unbeknownst to that studio, the producers had already been in contact with Twentieth Century Fox, who had been made aware of production’s tension with Warner Bros. and expressed interest in backing the project.
According a segment of Netflix’s docuseries The Movies That Made Us, filming of Home Alone began in February 1990 under Warner Bros., who made the decision to shut down almost halfway through production over budgetary concerns.
They took over the film’s production immediately, saving the entire cast and crew’s jobs.