Nothing, actually. There are no movies I "hate" - just movies I don't like. If I don't like a movie I'm unlikely to ever watch it again - and those are not movies I'll select when asked to choose something to watch.
The 5 I listed are movies I truly have zero desire to ever see again - I...
With that suggested title I'd come up empty handed. If I "love" a movie I'll make time for it again at some point and will often rewatch it on a semi-regular basis. Even movies I just "like" will get a rewatch at some point.
It's hard to say "NEVER Watch Again" as, for me, it's more of a "Films I'll never choose to watch" thing. If someone else comes over or I'm at their house and a film on this list is chosen or put on I'll watch it but they are not films I'd select for viewing again.
Citizen Kane
The Wizard of...