Alfred Hitchcock Presents

(Opening Narrative) Alfred Hitchcock: This is a mousetrap, as any fool can plainly see…that is, if he isn't a mouse. It's amazingly effective, too. I've been fiddling with it only a few minutes, and I've already caught three! (holds up three bandaged fingers) Cornell ____, the author of tonight's story, does not make mousetraps. Mr. Woolrich goes in for bigger game. He makes people traps – very good ones, too. This story concerns the perfect alibi. Actually one never knows when he will need an alibi. Recently, I read of an innocent man who found himself in serious difficulty, because although he claimed he had been watching a movie while the crime in question was being committed, his vagueness about details of the movie caused the police to become suspicious. Please do not allow this to happen to you. Watch and listen closely to the following commercial, which is furnished for your benefit. It will provide you with an airtight alibi as to your whereabouts during the next sixty seconds.