WTTW split the story into two, with the break made during episode four when the alternative Stahlmann clutches his head in pain after threatening Sutton. [source: ChicagoEpguides]

Intro: Seeking a new power source from deep within the Earth, scientists release an unforeseen horror that threatens to explode the planet. Enter The Doctor. But is he too late? Tonight, the awful result of Project "Inferno."

Outro: If these are The Doctor's friends, he doesn't need enemies. Will he be able to save the parallel world from destruction? Be with us next Sunday evening at 11 for the conclusion of "Inferno." [source: ChicagoEpguides]