New Peerlessness was a paradiseprison planet theTime Lords built nearKasterborous. It was either contained within or connected tothe Doctor's TARDIS, letting theSeventh Doctor through its shield because it knew him. This allowed him to trick theShepherd and Shepherdess into living on "the most beautiful planet in existence," trapping them. (AUDIO:Persuasion)

The Shepherdess died there, andWill Arrowsmith later released the Shepherd thinking that he could help in stopping theDaleks onAzimuth. (AUDIO:Daleks Among Us)