The Viral Staircase (1)

Summary

Now a radical environmentalist, a woman who Zach went through astronaut training with is out to stop a Hungerford Industries researcher – who is secretly creating a deadly biological weapon. (Part 1)

Guest stars

• Carrell Myers as Dr. Megan Gardner
• Tristan Rogers as Bennett Herd / Dr. Manly Briggs
• Jack Swanson as Dr. Morris
• Janet Gunn as Bridget Cross
• Eddie Earl Hatch as Ray
• Thomas McNamara as Coroner's Assistant