
An architect is convinced there are aliens in the world.

Vincent's friend Charlie Gilman (Don Gordon) discloses an ulterior motive for killing an alien during his trial for murder.

Vincent smuggles himself aboard an alien saucer, hoping to find a treatment center for diseased aliens; guest William Sargent.

Vincent learns of an alien plot to assassinate the world's leaders at a conference; guest William Windom.

An architect is convinced there are aliens in the world.