 The work print features this alternate ending which is not available on DVD  anywhere. When Julia is knocked out in the subway it cuts to 9 months later  in a mental hospital. Julia convinces a panel of psychiatrists, including Dr.  Booth, that she is cured. She sees one of the monsters climb through an air  shaft in the ceiling, but continues to claim that "They" dont exist. She is  released and goes home only to set up high