Jeopardy smile

When a contestant, especially a girl, on Jeopardy smiles.

20th Century Fox presents
Jeopardy Kids Week - July 4, 2011

Alex Trebek: Charlotte is from Washington, D.C., right?
Charlotte: (smiling)
Alex Trebek: You smilin' Charlotte? That's a Jeopardy smile right there!
Charlotte: Yeah.
I saw the 1994 20th Century Fox logo at the beginning.