Aliens in the Attic is a 2009 adventure family film produced by 20th Century Fox and Regency Enterprises and starring Carter Jenkins, Ashley Tisdale, Robert Hoffman, Henri Young, Regan Young and Austin Butler.The plot mainly revolves around the children in the Pearson family having to defend their vacation house. The film was previously titled They Came from Upstairs, which is instead used as the film's tag line.