Here are two videos of skaters doing 4's as a exhibition:
1980 Olympics Exhibition
Pestova & Leonovich and Cherkosova & Shakrai
http://www.youtube.com/watch?v=prnnnpR6xCY
1988 Worlds Exhibition
Benning & Johnston & Hough & Ladret
http://www.youtube.com/watch?v=OpfBn0KmaR8
1980 Olympics Exhibition
Pestova & Leonovich and Cherkosova & Shakrai
http://www.youtube.com/watch?v=prnnnpR6xCY
1988 Worlds Exhibition
Benning & Johnston & Hough & Ladret
http://www.youtube.com/watch?v=OpfBn0KmaR8