best tv series

Definetaly Lost.

from the list is Alias, but i like Oz :D

Grey's Anatomy
House M.D.
Lost

Lost

House M.D.

csi

My list:

-Lost
-Heroes
-Prison Break
-Malcolm in the Middle
-Supernatural
-House MD

from your list..Buffy
but you forgot HEROES it's my all time best series untill now

prison break i must say i really like from the new ones..
from the old ones Seinfeld, Only Fools and Horses and Malcolm in the Middle :)

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Lost, Prison Break, Heroes, Seinfeld, Survivor...