You know, if there are aliens out there they would probably never let us fully find out because of how stupid we are (and by that I mean that we stupidly start wars and stereotype). There are rumors that ancient peoples like the Sumerians were visited by aliens they continuously communicated with them; but you know, I believe the Sumerians were a lot smarter than modern people.
South Park, Charmed, Buffy The Vampire Slayer / Angel, Tru Calling, Family Guy, TrippingTheRift, FreeForAll, Futurama, Jackass, Lost, That 70's Show, Celebrity Deathmatch