Four Explosions Expose the Secret Bubble (S6) | The Secret of Skinwalker Ranch | History

At the command center, the team launches one of their most ambitious experiments yet—detonating four explosive fuel mines within a 2,000-foot radius at the Triangle to generate fireballs and smoke rings that could finally reveal the invisible forces behind the ranch’s greatest mystery: the bubble. See more in this clip from Season 6, Episode 13, "Fire in the Holes." Watch new episodes of The Secret of Skinwalker Ranch Tuesdays at 8/7c. Stay up to date on all your favorite The HISTORY Channel...