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The SNL Archives
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Aired on05.15.2004
Segment9 of 15
CommercialPat 'N Patti's Backpack Shack 
Mary-Kate Olsen  ...  Mattie Halderback
Ashley Olsen  ...  Jackie Halderback
Jimmy Fallon  ...  Jack Cackinstackis
Paula Pell  ...  announcer (voice)
Maya Rudolph  ...  Patti Sylviac
Horatio Sanz  ...  Pat Sylviac