American soldiers, led by The Sarge, are stuck behind Nazi enemy lines. As they make their way across the Italian countryside, they come across an alien spaceship that has crash-landed in the woods. The alien pilot is dead, but one of the ship's passengers is on the loose. As the GIs hunt down the alien by splitting into smaller groups, they're not only tracked by the Nazis, but also a whole host of other aliens come to save their stranded party.

The Resonator, a powerful machine that can control the sixth sense, has killed its creator and sent his associate into an insane asylum. When a psychiatrist becomes determined to continue the experiment, she unwittingly opens the door to a hostile parallel universe.

Major Charles Forsythe is a Vietnam veteran U.S. Army officer stationed near Rome. He is a brutal, if effective, commander who was "fragged" by his own men in Vietnam. When he is denied promotion because of the number of men injured during his training exercises, he takes out his anger by beating his pregnant wife Sarah. She miscarries. On her release from the hospital, Sarah is determined to get back into shape and begins running. She meets Alan Morani a former Olympic runner who is a paraplegic as the result of a car accident. Morani offers to coach Sarah to run in the Rome marathon, a race which her husband has won two years in a row. Sarah realizes that winning the race is the best way to avenge the death of her baby and destroy her husband's ego.

Herbie Altman is framed for Stock fraud by his boss when the SEC starts investigating his company. Sent to prison, he helps a fellow inmate successfully invest his money. Soon all the inmates want his help. To manage all the money, he forms CON INC. and runs it from the prison under the noses of the warden and the guards. But when the IRS and SEC begin to investigate this successful company, it looks like he may be in trouble again

After Stanley Putterman installs a state-of-the-art satellite dish in his backyard, a strange monster leaps off the screen and needs to feed on humans for survival. The Putterman children Sherman and Suzy—along with Suzy's metalhead boyfriend O.D.—are left to figure out what to do.

The crew of a Polaris submarine, on a training mission simulating an attack on Russia, is stricken by toxic poisoning. One of the poison's effects is to make its victims hallucinate, and the sub's captain imagines that he has been given an order to actually attack Russia. He prepares to do exactly that.

Following the opening of a Japanese auto factory in Sicily, the head of the company is kidnapped by Sicilian mobsters. This was a co-production between Italy and Japan's Toho Studios.