Nancy playing the Reverse Mole and pulling a "Whoops! Got your heart!" trick on the I-Jin leader during the climactic battle of the Read or DieOVA.
In the English dub, Nancy describing her code name as making her sound "like a porn star."
Fighting an aerial battle in a giant paper airplane.
In the TV show, when Nenene is kidnapped, the Paper Sisters walk into the bad guys' building — wearing their special costumes for the first time — and simply say they're here to take her back. They proceed to kick every ass in the place.
In the first episode of the TV series, a nameless bad guy holds a gun on Nenene. Her response: flipping him the bird and then using her middle finger to plug the barrel of the gun Bugs Bunny style.