ITV's show was given a January premier amidst network doubts about its viability but became a surprise hit in Britain, where it became the third highest rated television show of 2006. It attained an impressive thirteen million viewers for the final in March. Britain's best-known ice-skating duo and former Olympic champions Jayne Torvill and Christopher Dean help to train the aspiring dancers, and also appear throughout the show with comments and advice. Head Coach Karen Barber also trains the skaters for the live show. Since the beginning Torvill and Dean have opened every episode with a performance, with the exception of the second, third and fourth shows of the fourth series, when Torvill performed alone due to Dean's recovery from a shoulder operation. In 2012 they performed less regula