The Secret Code Season 7, Episode 7

Fred

Not ringing a bell.

Elaine

When my uncle said to him, 'the president's been shot' Oswald winked at him and said, 'I'm gonna go catch a movie'?

Fred

Mmm, no.

Elaine

That was right when we were in front of the bathroom door.

Fred

The bathroom door. I remember someone had played tic-tac-toe on it, and the X's won; they went diagonally from the top left to the bottom right.