Tonight, the latest installment of longrunning reality series Survivor premieres. This season, Survivor: Blood vs. Water features members of previous casts and their relatives. Last fall, Survivor: Philippines debuted to a 3.2 adults 18-49 rating on September 19, 2012. Last winter, Survivor: Caramoan, which also featured members of previous casts, premiered to a 2.4 adults 18-49 rating on February 13, 2013. How do you think the show will fare tonight as it faces off against the second week of The X Factor? Make your predictions.