After being bitten by a bat in a cave, a doctor undergoes an accelerating transformation into a man-bat, which ruins his vacation and causes considerable distress for his wife.
A group on an Outward Bound-type adventure runs across a paramilitary team with a sadistic leader who has harmful intentions towards anyone who may find themselves in their path.
Paul is a student whose family lives in an area surrounded by miles of wilderness where bigfoot sightings have become woven into local legend. After saving the creature's life, it gives Paul a magic pendant that can summon Bigfoot anytime.
A massive influx of glacial melting triggers a new ice age in the Northern Hemisphere, forcing a family to make their way across the ice-covered landscape before they are frozen out for good.
