WTTW split the story into two parts, with the break occuring during episode three when Ky opens the Time Lord message container. [source: ChicagoEpguides]

Intro: On Solos the presence of oxygen would be deadly. Who or what then has been introducing that gas near the Solonian atmosphere and why? We will soon know as The Doctor and Jo travel to the planet of "The Mutants."

Outro: What knowledge do the scrolls hold and how can The Doctor repel the Marshal's impending gas attack? Be with us next Sunday evening at 11 for the conclusion of "The Mutants." [source: ChicagoEpguides]