Years of the Beast (1981)

College professor Stephen Miles (Gary Bayer), his wife, a young girl, and a drifter (Jerry Houser) are suddenly faced with a society where money is worthless, food is scarce, your neighbor is your enemy, and oppression reigns. The four must survive a world of earthquakes, natural disasters, looters, corrupt officials, and the Anti-Christ in power.

Years of the Beast is a fantasy movie directed by D. Paul Thomas.

Years of the Beast is currently streaming for free (ad-supported) on Tubi TV and it's also available on Pure Flix.

It is also possible to buy Years of the Beast on Amazon Video.