Complex sentence: In 1998, Warner Bros. released a special edition DVD that contained approximately 23 minutes of unfinished footage from Oz's original ending, although it was in black and white and was missing some sound, visual, and special effects.
Split into simpler sentences: In 1998, Warner Bros. released a special edition DVD of the film. This DVD included approximately 23 minutes of unfinished footage from Oz's original ending, although it was in black and white and was missing some sound, visual, and special effects.