I always saw Avatar commercials, but I never payed any attention to them. When I was younger, I played an Avatar game on Nick.com. I didn't know that it was Avatar at the time, but I really enjoyed it. Anyways, one day when I was sick I watched Avatar, I had nothing better to do. When I finished the episode, I liked the idea of bending the elements, so I sticked around for the next episode. That's how I got introduced to Avatar.
I started watching it in 2009, so I was pretty late. And, the first episode I watched was the Northern Airtemple. The episodes weren't playing in order at the time, so I was pretty confused with the characters and stuff. The last episode that I watched was Imprisoned. I then watched the series in order. I really loved Avatar, so I searched the Internet for anything Avatar related. And here I am, on Avatar.wikia.com.