In 2011, the 1985 hit film Back to the Future was banned from China. Why? Because at tha time, China banned any film about time travel. The Chinese argument was that time travel stories are disrespectful toward history.
That's an unconventional reason for banning a film, but it's not the only one. You can see nine others in this video by Screen Rant, including explanations for why E.T. was age-restricted in Norway and why Mad Max was prohibited in New Zealand.
-via Geek Tyrant