News TV Videos SCENES & PROMOS FROM VIKINGS: Airs Sundays at 10/9c on HISTORY Written by Shawn Marazine on March 14, 2013 Ragnar Negotiates With Earl Ragnar and Rollo Argue Related posts:The fourth season of 'Vikings' premieres February 18 on HISTORYVIKINGS Promo – Premieres March 3rd at 10/9cSIX preview