Other intelligent Lifeforms

Yea..I highly doubt Humans are the only intelligent life in the universe, even in religious texts it says the gods descended from the "heavens" (The sky/space).
Also if the religious texts about "God" is right then why would he create a universe as big as this and only create one intelligent life form on one planet?
I believe the E.T.s or Aliens or whatever you call them are watching the Human race like a comedy TV show that never ends.