The Secret of Skinwalker Ranch - Season 4

Ranch owner Brandon Fugal and his team, led by chief investigator Erik Bard and astrophysicist, aerospace engineer and optical scientist Dr. Travis Taylor, elevate their investigation of the mysterious 512-acre Utah property as they work to reveal the truth.

The team launches an incredible nighttime 200-drone light show experiment above the Triangle and the East Field leading to a startling sighting in the sky and new data that points toward possible answers deep inside the mysterious Mesa.

After discovering new evidence of massive metallic objects buried beneath the Mesa, the team conducts an experiment at the Triangle that leads to one of the most shocking revelations ever seen on Skinwalker Ranch.

The team turns their focus back to the mesa and almost immediately gets more evidence of something buried deep within it. And Brandon returns to the ranch with Utah's Attorney General who is eager to find out who is monitoring the ranch.

As the team begins drilling in search of a metal object buried in the Mesa, they also perform a new experiment at the Triangle that causes startling UFOs to appear on Skinwalker Ranch.

While drilling into the Mesa on Skinwalker Ranch, the team makes a shocking discovery.

When a former ranch investigator and government official returns to help the team with a new experiment, it leads to a shocking revelation.

A new subsurface investigation leads to a baffling discovery near Homestead Two.

An advanced radar experiment conducted high above the Mesa and Triangle reveals evidence that an incredible theory about Skinwalker Ranch could actually be true.

When an indigenous sound ritual is performed on Skinwalker Ranch, the team is amazed by the phenomena that are revealed.

When the team performs a hi-tech experiment at the Triangle, it leads to a stunning revelation that may explain the strange phenomena on Skinwalker Ranch.

A daring rocket and helicopter experiment results in the team witnessing a phenomenon that might prove an ancient legend about Skinwalker Ranch.

As the team conducts their most complex experiment ever at the Triangle, they are stunned as a number of bizarre events unfold before their eyes.

After conducting an experiment that reveals more evidence of incredible phenomena in the skies above Skinwalker Ranch, the team learns that the greatest mystery of the property may actually be located deep underground.

Dr. Travis Taylor relives the most shocking and compelling phenomena that have taken place in the past year on Skinwalker Ranch.