D.A.R.Y.L. [1985]
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Andy Richardson: Dr. What is this?
Dr. Jeffery Stewart: Daryl is not... well he never was completely human.
Andy Richardson: What?
Dr. Jeffery Stewart: Data Analyzing Robot Youth Lifeform. Daryl is an experiment in artificial intelligence. All I can say is he was never meant to leave here and he was certainly not to be with people like yourself.
Turtle Fox: Holy shit! He's a robot?
Dr. Jeffery Stewart: He's more than that Turtle. He's a lot more. See this is the information that we program in Daryl's head and this is where he discharges learned information into the main-frame memory banks.
Turtle Fox: Wow!
Joyce Richardson: I don't believe this.
Dr. Jeffery Stewart: No. Look, ask the computer anything you'd like no matter how small. Something that could only be known to you and Daryl.
Joyce Richardson: Is this some kind of a joke?
Dr. Jeffery Stewart: Oh, no. No I'm afraid not.
Daryl: What IS a hooker?
Dr. Ellen Lamb: General, a machine becomes human when you can't tell the difference anymore.