[Gurthang]

Peter: "Aha! I knew you'd been cheating on me, and now I've caught you in the act!"
Arwen: "Peter, this is my father."
Peter(embarassed): "You're... *gulp* her father?"
Elrond: "...yeah."
Peter: "Oy... this is awkward."

OR

Suddenly, out of nowhere, a timewarp opens and a futuristic director walks through.
Arwen and Elrond look at each other as if to say "Who invited him?"
The director looks around for the nearest chair to lounge in.