WTTW broadcast the story into two parts, with the split taking place during episode three when Caldwell tells the Doctor that an attack on the IMC ship would be a slaughter. [source: ChicagoEpguides]

Outro: Next week, in the primitive city, The Doctor will attempt to rescue Jo. He will meet The Guardian and confront an old enemy and a gigantic doomsday machine. Be with us next Sunday night at 11 for the exciting conclusion of "Colony in Space." [source: ChicagoEpguides]