The gang start watching The Terror Within (1989) but switch to Zombie 5: Killing Birds (1987) after many complaints.
Film: Zombie 5: Killing Birds
Director: Joe D’Amato, Claudio Lattanzi
Plot: While searching for a rare bird, college students meet a blind professor (Robert Vaughn) who hides a sinister secret.
Film: The Terror Within
Director: Thierry Notz
Plot: In a post-apocalyptic world, a small group of scientists, led by Hal (George Kennedy), is living underground after a chemical warfare incident, since dangerous mutants lurk aboveground. When the group rescues Karen (Yvonne Saa), a female survivor, from the surface, she discovers that one of the monsters has impregnated her — and soon her vicious offspring arrives to terrorize the crew. Meanwhile, another pregnant female survivor is unsure whether the father is man or beast.