Alien Nation: The Enemy Within

Ray Ferrier is a divorced dockworker and less-than-perfect father. Soon after his ex-wife and her new husband drop off his teenage son and young daughter for a rare weekend visit, a strange and powerful lightning storm touches down.

A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.

A team of elite commandos on a secret mission in a Central American jungle come to find themselves hunted by an extraterrestrial warrior.

An alien king sends two of his most loyal-and, as it turns out, stupidest-subjects to Earth to find him a queen to help rule his planet.

The Ninth Doctor has just regenerated into his next incarnation. But will Rose trust the Doctor now that he has a brand new face?

When some very creepy things start happening around school, the kids at Herrington High make the chilling discovery that confirms their worst suspicions: their teachers really are from another planet!

The TARDIS arrives on the planet Marinus on an island of glass surrounded by a sea of acid. The travellers are forced by the elderly Arbitan to retrieve four of the five operating keys to a machine called the Conscience of Marinus, of which he is the keeper. These have been hidden in different locations around the planet to prevent them falling into the hands of the evil Yartek and his Voord warriors, who plan to seize the machine and use its originally benevolent mind-influencing power for their own sinister purposes.

Humouristic reconstruction of the 1995 scandal when two British lads were accused of having faked a documentary from the Roswell incident in 1947.

Ambitious television reporter Tim O'Hara stumbles upon a martian whose spaceship has accidentally crashed on Earth. Thinking this is his ticket to a Pulitzer Prize, Tim makes plans to expose the martian, who, posing as Tim's Uncle Martin, takes human form and has plans of his own. In fact, all of Tim's efforts to divulge the truth are systematically thwarted by the resourceful alien, who ultimately recruits Tim to help him repair his ship for a return to Mars.

A compilation of Battlestar Galactica episodes 10–12 and 21, with alternate footage. Running low on fuel, the Battlestar Galactica receives the help of the supposedly lost Battlestar Pegasus which is taking the offensive with the Cylons.

When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.