The comedies
Mork & Mindy, ALF, 3rd Rock from the Sun and Resident Alien.
The dramas
The Invaders, Roswell, Taken and The 4400.
Visitors who hide on Earth.
Mork & Mindy, ALF, 3rd Rock from the Sun and Resident Alien.
The Invaders, Roswell, Taken and The 4400.