My favorite airline safety video of all time is ANA's "Kabuki", which (IMHO) strikes the right elements of being clear, informative, gorgeous, absurd and showcasing Japan all at the same time:
https://www.youtube.com/watch?v=k2IZP5NhaKM
They used to have a really good "behind the scenes" video for it as well, but I can only find this shortened version on online: