Submarine alert (1943) is an American film directed by Frank McDonald (director), produced by Pine-Thomas Productions and released by Paramount Pictures. The film was the last in a series of three Pine-Thomas adventure films that included Forced Landing (film) (1941) and Flying Blind (film) (1941). The film stars Richard Arlen, Wendy Barrie, Nils Asther, Roger Pryor, Marc Lawrence and Ralph Sanford.

Lil' Abner becomes convinced that he is going to die within twenty-four hours, so agrees to marry two different girls: Daisy Mae (who has chased him for years) and Wendy Wilecat (who rescued him from an angry mob). It is all settled at the Sadie Hawkins Day race.

The playhouse is a 1921 silent short film written, directed by, and starring Buster Keaton. The movie runs for 22 minutes, and is most famous for an opening sequence in which Keaton plays every role.