The Flying-Saucer: for decades it has been synonymous with UFO terror. But millions of reported encounters in fact tell a different story. Slowly but surely, saucer sightings have been on decline, fear has taken a new shape. Black Triangles. Reports say they can penetrate the world's highest security airspace with ease. And our most power weapons have proven powerless against them. What are Black Triangles? Who is at the controls? Is a new Alien species lurking in our skies? And most importantly, why are they here? Join us as we track the rise of the Black Triangles on —UNSEALED.