http://www.youtube.com/watch?v=eaCCkfjPm0o
"We're from the future Charlie!"
"Oh, I bet"
"Come with us to the future!"
"We need you help to finish our snowman!"
"Snowman..?"
"We don't have time to explain!"
"Grab hold onto our tongues!"
"Just a few more steps and- OH MY GOD IT'S A NARWAL!"
"..Narwal of death!"
"..It's gonna kill us!"