Q Continuum

In the Star Trek universe, the Q Continuum is an extradimensional plane of existence inhabited by a race of seemingly omnipotent, immortal, hyper-intelligent, extremely powerful beings known as the Q. Although they have individual, flawed personalities (they seem prone to arrogance, for instance, although they would argue that an omnipotent being has every right to be arrogant) their power seems limited only by their will ("I have unlimited control over space, matter and time" -Q2). They claim to be largely indifferent to the affairs of the non-Q beings living in normal space, or in the many dimensions parallel to their own, considering them to be insignificant and childlike, though sometimes amusing as only children can be. However, they are clearly very interested in human beings in particular, subjecting the human race to various tests. These tests often imply that they feel somewhat threatened by humanity's potential, but are intrigued by it as well. The Q have appeared in... full article at wikipedia