The Restoration Team log in detail the whole process they go through, including the techniques and specialist equipment/software they use, on their site. They can pull a 625 line broadcast quality PAL image from practically any resolution film recording by de-interlacing and other arcane witchery. In fact, if you've watched any DVD release of the past decade or so, you've already seen their work.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'