From 1978, the finale of the legendary “Turkeys Away” episode of WKRP in Cincinnatti. It was written by veteran TV writer Bill Dial, who later wrote for Sliders, Star Trek: Deep Space Nine, and Star Trek Voyager.
But no matter how big a fan of any of those shows you might be, you have to admit none of them came up with a line as good as this: As God is my witness, I thought turkeys could fly.
For some reason, this clip now sometimes stops about a minute before the end. If your browser won't display the full embedded version, click here to see it on Hulu. The scene begins at 17:12 and ends at 23:36.