The first few seasons of the Hey, Arnold! show where made the old fashioned way - with cells and film. Later the show went digital. Craig Bartlett, the shows creator, was gracious enough to give away these cells to the crew for our birthdays. Having worked on the show for almost 5 years, I was able to collect 4 cells. Here is one of them:
I consider myself very fortunate to have worked on the Hey, Arnold! show and it remains a highlight in my animation career. So I really treasure these cells. I'll post more of them later.