Dude, you want to watch a live version. Palin and Cleese are basically trying to make each other laugh by diverting from the script, or exaggerating lines. Awesome.
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"Think like the whelp, think like the whelp, think like the whelp... " Captain Jack Sparrow
"Hello. My name is Inigo Montoya. You killed my father. Prepare to die." Inigo Montoya