>>>>http://dvice.com/archives/2010/10/is-this-a-time-.php
>>>>
>>>>Who are they talking to?
>>>
>>>Dr. Who?
>>
>>Dr. Whom?????
>
>http://www.youtube.com/watch?v=wfmvkO5x6Ng

I must have this over a hundred times in my life (ok, that may be a slight exaggeration) and it's STILL fall-down laughing out loud

wfmvkO5x6Ng