Deja-Vu All Over Again
Sorry, but I couldn't resist this:
The Doctor set his paper down and stared at Sam from across the cafe table.
"That's strange. I'm suddenly having this incredible sensation of deja-vu."
"Really?" There was a pause, and then Sam leaned across the table at him and chanted, "Booga, booga, booga, booga, booga."
He jerked back in astonishment. "What are you doing?!"
"Have you ever heard me say those words before?"
"Of course not!"
"Well, there you go! That should take care of your feelings of deja-vu."
He wrinkled his forehead, closed his eyes, and prodded his inner feelings. "Actually, Sam, I think that made it worse..."