Subway Sandwiches Sa! Campaign: Your Body is Changing Writer, Editor, Producer (Shot in Sony DV) (Produced by The Royal We for Subway's Sa! Campaign) A health class film straight out of the 1950s explains what the pre-pubescent werewolf should expect as he approaches one of life's big changes. Produced through Catman and Mary. Sa! was produced by Alloy Marketing and Promotions for the Subway Sandwiches Sa! Online Viral Campaign.