No new Dalek casings were constructed for this serial. Because of the unsatisfactory quality of the new Daleks made for Planet Of The Daleks, most of those used on Death To The Daleks were casings surviving from the Sixties.
The dark setting of Exxilon was inspired by the blackouts that occurred throughout the UK at the time.
Features the only appearance of the silver and black Daleks, as the Dalek story after this would return to the gunmetal colour scheme which would be used for the remainder of the Classic series.
Several modifications were made to avoid similarities with "Planet of the Daleks": the jungle-choked Exxilon became rocky and barren, while the humans were more securely established than the hunted Thals of the previous story.
Production was undermined when several props and sets went missing. Furthermore, the cast found the demanding recording schedule to be very exhausting - a situation not ameliorated by Jon Pertwee's increasingly disinterested attitude toward Doctor Who (1963).