TV shows have become popular as millions of people around the world watch TV series and also they rank the tv shows according to their priority. Popular TV shows Lost and Heroes have won the imaginations of millions of people. Popular TV shows makes people to leave the reality of day to day life. For example people viewed plane crashing and the aftermath. These tv shows stay fresh in memory year after year. Last and Heroes are evergreen tv shows. In spite of the development of internet, these tv shows glue people to sit at one corner of the room and watch the show. Casting plays a vital role in the success of popular tv shows. Each character is identified by the viewer. These tv shows dominate the lives of millions of people.

More and more reality tv shows dominate the world. Reality shows did not pop up in the late Nineteen Nineties and after the grand success of Survivor, number of reality shows came up one after the other. Shows like The Bachelor, For Love, Big Brother came up later and compete for prizes.

TV episodes can also be viewed online. Popular websites like You Tube, Google offer video facility to watch tv episodes online. Popular TV shows are uploaded in websites to enable viewers watch the shows online. Even if a favorite show is missed due to work schedule, the same can be viewed online. People can access channels like NBC, Fox, ABC, CNBC, with the PC Satellite TV software. There is no additional hardware is required to operate it. There is no need to battle for remote set to watch their favorite tv show between people, as online tv shows are plenty.

TV Channels are also conducting weekly reviews about tv shows and also survey among the viewers to know their priority among the tv shows. Some of the highest ranked tv shows are: Lost, One Tree Hill, Family Guy, Smallville, Heroes, Avatar, House, South Park, The Simpsons, Grey’s Anatomy, Supernatural and Dancing Stars. A survey conducted in August, 2006 based on top 10 shows in 20 countries the American TV Show CSI: Miami stood first, Lost and Desperate Housewives are placed second and third respectively. Constellation factors such as great writers, producers, actors, good concept, a strong ensemble cast providing multiple story lines, proper time slot, comfort of audience, good net work support and of course the taste of public make a tv show last and popular.

TV shows "The Simpsons" and "60 Minutes" share the traits of reliable cast of characters, good writing, and comment on current events etc. These shows come as rescue to today’s TV blitzkrieg. Most of the TV shows are either concept driven or star driver or morph one into the other. These popular tv shows can be downloaded from iTunes website for a nominal fee and of course without the intervention of commercials. Some websites are offering free down load of these popular tv shows, but frequent interruption of commercials will be there. These shows can be watched on laptops and portable devices. The only disadvantage of downloads are they can not be seen as live programs and can be seen only when it is uploaded in the website by the producer.