Consumers are increasingly going online to catch their favorite television shows, with 80 million Americans, or 43 percent of the online audience, now saying that they have watched a show on the Internet at some point and 20 percent saying that they watch TV via the Internet on a weekly basis, according to a study by Solutions Research Group. The figures almost double those of a year ago. The most-watched shows online, according to the study, are Heroes, Grey's Anatomy, Dancing With The Stars, Ugly Betty, Chuck, CSI, House, Kitchen Nightmares, Smallville and Gossip Girl.