In This World We Inhabit

"In This World We Inhabit" is the eighth episode of the fourth season of  Two Worlds. It originally aired on June 22 2010.

Synopsis
Having realised that the alternate 1955 is really a simulation created by the Parliament to learn more about John and Two Worlds, he, Amanda and Alice are induced into further experiments by Parliament "Owls" to discern the true power of the Harker Doorway and its link to the supposed Infiltration.