A spaceship arrives in Arizona, 1873, to take over the Earth, starting with the Wild West region. A posse of cowboys and natives are all that stand in their way.

Meet Dr. Hazel Barton and Nancy Aulenbach. These women are compelled to push their limits in hostile environments. They are cavers who risk fatal danger for the thrill of discovery. Barton and Aulenbach are extreme athletes and extreme scientists - scientists who gather their data in treacherous places where few dare to follow. In Journey Into Amazing Caves they travel to caves in Arizona, Greenland and Mexico searching for discoveries that may lead to cures for human disease.

After the long career of lawman that made him a legend, Wyatt Earp deciedes to quit and join his brothers in Tombstone, Arizona. There he would see them in feud with Clantons, local clan of thugs and cattle thieves. When the showdown becomes inevitable, the help will come from Doc Holliday, terminally-ill gambler who happens to be another Wild West legend.

A spaceship arrives in Arizona, 1873, to take over the Earth, starting with the Wild West region. A posse of cowboys are all that stand in their way.