You have got to be kidding me
" The planned 4K Ultra HD disc release of James Cameron’s “The Abyss” has been cancelled in the UK.
The reasoning has been due to one scene in the film – the scene in which a rat is breathing ‘oxygenated fluid’. UK censors reportedly asked for the scene to be cut as the country has strict censorship laws regarding depictions of animal cruelty.
Disney reportedly wanted to comply with their request, but Cameron’s Lightstorm company was said to have vetoed it "
https://www.darkhorizons.com/the-abyss-uk-4k-disc-release-cancelled/