Mini Episodes
Commentaries
Commercials of the show/film/other spongey commercials
Maybe like a walkthrough of the studio theymake SBSP in
Something about the music in the show
Interview featurette things
Making of...
Deleted Scenes
Canned Scripts
Episode scripts
A Bonus epiosde from any given season
Some DVD Gaames
DVD-ROM games, prinatables, etc.
A DVD-ROM demo of any given PC SBSP game.
Something about the show when it was being pitched in late '90s
Previews of future episodes
The History of Spongebob
The Future of SpongeBob
Things with marine bioligists
Interviews w/ ex-cast members, crew
Awsome DVD Menus
And of course...all the episodes from the season