Dog Soldiers (2003)
Directed by Neil Marshall
Friday night:

“Let’s get drunk and watch horror movies!”
“Yay!”
Saturday night:

“Lets get drunk and fuck shit up!”
“YAY!”
And keeping up with the tradition started by anubislaughed, here are my ponies with my pistols.
I am a brony and a gun owner. What of it?!
“Lifeforce” written by Dan O'Bannon (Return of the Living Dead, Dead and Buried, Alien) and Directed by Tobe Hooper (Texas Chainsaw Massacre, Poltergeist)
An alien ship is discovered in the tail of Haley’s Comet. The Anglo-American shuttle crew finds the dessicated remains of bat-like aliens and three humanoids in suspended animation. The creatures are brought back to Earth where they escape and begin feeding off the life force of the human population of Britain. Not only do these creatures drain a victim of their life energy, the victims become zombies that must feed likewise to sustain themselves!