[James2001]

When the show first began, the idea was actually that Scratchy was computer generated (the opening titles even began with him booting up), but for whatever reason they dropped that idea part way into the first series (and cut that part of the titles out, and replaced it with a bit with supposed childhood photos of Scratchy and a speil about how he was "an ordinary kid until he discovered Saturday mornings").

The most I can find of that though is this trailer which has a couple of seconds of the "booting up" part of the titles in it (44 seconds in):

www.youtube.com 

This video is from the back end of the first series and has the titles after that part had been removed (starts around the 4:10 mark):

www.youtube.com 

And for completeness, here's some of the last ever episode, by which time Gail Porter had become a full on co-presenter (and she wasn't off screens for long as she was back on the new series of Fully Booked literally the following day):
www.youtube.com