The older Troy has sent a time virus to un-invent a major component of the Dult hardware; with Troy trying to hot wire the Dults and K9 together. The rest of the crew have traveled to 1928 to get the pacemaker reinvented.
Old Troy has attacked the Dults by sending a time virus to un-invent a key part of the Dult hardware. While the rest of the crew head to 1928 to get the pacemaker reinvented, a panicked Troy is forced to hotwire the Dults and K9 together in order to keep them working at all - with unexpected results.