After becoming injected with a formula derived from an alien ship, a lab gorilla escapes from his containment and befriends two young boys. The alien formula causes the gorilla to grow to gargantuan size and rampage throughout the ci

Four sorority sisters accidentally unleash a trio of ghastly ghouls from an underground bunker during a weekend getaway in the country.

A prehistoric shark is released into a the waters near a small lake community as a result of an oil drilling accident, and proceeds to wreak havoc on nearby swimmers.