Poll: I bet 2000's kids will be most nostalgic about...

...Dora? Spongebob Squarepants? Harry Potter or Justin Bieber? The older persons born in the 2000's are entering their teens while the younger ones are old enough to have a few movies and TV programs packed in their memories, and it's very likely that in the next decade, noughties kids will discover that mysterious feeling we call nostalgia. So, in your opinion, and even if you belong to another (i.e. an older) generation, which movie / TV show / celebrity, or let's just say which media-related phenonemenon 2000's kids will be most nostalgic about? Discuss here