BBC costume department

After encountering a new variant of Dalek that closely resembled humanity for the first time, the Seventh Doctor made a note of the fact that the BBC cutbacks had hit the costume department. (NOTVALID: Doctor Who? 137)

The Seventh Doctor explained that Doctor Who fans were under the misapprehension that the tree trunk-like legs of the Zarbi were one of the less imaginative creations of the costume department. In actual fact, the Zarbi were way ahead of everybody else in the workout and exercise age. (NOTVALID: Doctor Who? 139)