Finch, o único sobrevivente do apocalipse em St. Louis, constrói um robô para seu cão. Eles viajam para o oeste para escapar do tempo severo. O robô aprende com Finch.

In 2036 the Observers have begun terraforming the earth. Walter has a plan to defeat them but his capture by the Observers may be problematic. Peter searches for Olivia who is encased in amber to reunite his family