While Moonwalker was probably uncensored in the UK since 1989, a re-edited version was presented to the BBFC in 2005. Obviously, the rules for the rating have changed and a PG-rating was not acceptable anymore.
Compared are the UK Blu-ray / Warner (BBFC PG) and the uncut German DVD / Warner (FSK 12).
Total difference: 14,5 seconds in 2 scenes
Mr. Big hits Katie. One short scene is missing, but you can hear the slap in the next scene.
Mr. Big tries to inject Katie with heroin. Michael is furious.