"This is the way it began that extraordinary night; the night "he" came. Let me just shut this thing off. What's that noise? Oh, my gosh! It's the infrared radio band. I've locked in to something in space; a pulsar or a satellite. Hello? Hello? This is K726XAA. Can you read me? They're answering but I don't recognize the language."
January 1, 1970
https://en.wikiquote.org/wiki/First_lines_in_live-action_TV_shows