An out-of-control robot is inadvertently set loose in a small community, and a crack squad of soldiers are sent to hunt it down. Gradually, the members of the squad begin to suspect that some of them are robots.

Set in some distant future, one man must restore order when a mainframe system crashes in a virtual reality prison where computers control the inmates thoughts.

In the near future the US Government has created an elite team of soldiers specially trained for action in the event of a hostile alien encounter. A multi-national force, they are the last line of defense

A time-travel experiment in which a robot probe is sent from the year 2073 to the year 1973 goes terribly wrong thrusting one of the project scientists,into a plague ravaged alternate time-line whose war weary inhabitants are locked in a constant battle with killer robots from the future.

The roguish soldier Anthony Rand follows a ruthless general back through time in a last ditch attempt to save the universe.