west [ male announcer ] it's here -- xfinity watchathon week, your chance to watch full seasons of tv's hottest shows for free with xfinity on demand. there's romance, face slaps, whatever that is, pirates, helicopters, pirate-copters... argh! hmm. it's so huge, it's being broadcast on mars. heroes...bad guys... asteroids. available only on mars. there's watching. then there's watchathoning. ♪