Two videos

https://www.olympicchannel.com/en/playback/on-the-record/on-the-record-epsiodes/how-the-original-salchow-changed-figure-skating/

https://www.olympicchannel.com/en/playback/on-the-record/on-the-record-epsiodes/torvill-and-dean-perfection-brings-glorious-gold/