1. How I Met Your Mother
2. Glee
3. Dexter
4. Gossip Girl
5. House
6. The Big Bang Theory
7. Modern Family
8. The Walking Dead
9. Grey's Anatomy
10. Weeds

You can watch your favorite tv shows online fro free, no need to do a survey. If you don't know where to watch full tv episodes online for free, hulu is the best choice for who live in the US. For those who are outside the US, google "sidereel" and you'll find the answer.