Parker Backsteps to prevent a mine shaft from exploding and killing thousands of people, including a nearby military base. However, things go awry when the Sphere materializes deep within the Earth and the Backstep team have no idea where Frank is or what he was sent back to avert.
Elenco: Jonathan LaPaglia , Justina Vail Evans , Don Franklin , Alan Scarfe , Nick Searcy , Sam Whipple , Norman Lloyd .