"THE STARGATE is one of the greatest conceits in modern science fiction: a piece of ancient technology that, when unlocked, can instantly transport you to another world. The television franchise has explore this idea in many different ways ... and with many different types of Stargates.
In this video we're running down the three different models of Stargate – the red-chevron Milky Way gates, the blue-chevron Pegasus Galaxy gates, and the white-chevron gates of Destiny and the seed ships that are on course ahead of it. PLUS: Eagle-eyed fans will know that there are three other models of Stargates that have appeared on screen so far."