An alien is left behind on Earth and saved by the 10-year-old Elliot who decides to keep him hidden in his home. While a task force hunts for the extra-terrestrial, Elliot, his brother, and his little sister Gertie form an emotional bond with their new friend, and try to help him find his way home.

On July 2, a giant alien mothership enters orbit around Earth and deploys several dozen saucer-shaped 'destroyer' spacecraft that quickly lay waste to major cities around the planet. On July 3, the United States conducts a coordinated counterattack that fails. On July 4, a plan is devised to gain access to the interior of the alien mothership in space, in order to plant a nuclear missile.

Before the Doctor can settle down to married life, he must face one last confrontation with his deadly enemy of certain death - the Master.

Peaceful, rustic Metzburgh is a quiet village which was a former industrial town whose glory days are long past after the collapse of Metzburgh Grain. Teenager Mark Lowe (Jason John Beebe) and his ex-girlfriend Lucy Greenheart (Sarah Manzella) are stuck in a lovers quarrel when a meteorite crash lands in the passive community. Glen (Robert Bozek ), an ex-employee of the grain silos who became homeless after the collapse of the mills, stumbles upon the fiery crash. Unaware that his find could be dangerous, he gets too close and a chemical poison sprays out of the meteorite, enveloping him. The chemical agent known as Ombis begins to turn his insides into a slimly substance. Unable to stop the spread of the infection, Glen runs onto the road where Mark and Lucy find him. The two take him to the only Doctor in town, Doctor D (Deborah Manzella) Mark and Lucy are shocked by their gruesome discovery and immediately contact the local Sheriff Thomas Brackett (Richard Satterwhite).