Supernova (2000).
Anyone who has viewed the extras on the Alien Quadrilogy DVD Set (and probably the blu-rays too but for previously disclosed reasons I don't have those) will have seen Dan O'Bannon and Ronald Shusett's take on their screenplay and David Giler reporting his and Walter Hill's take on what they did to it.
They claimed to have totally re-written a silly screenplay with one good scene in (you know the one).
O'Bannon and Shusett claim Hill and Giler just changed the character names and added Ash, the robot into the mix and tried to get their names removed from their own script.
Watching this mangled mess has bolstered my prejudices on the issue.
Like Alien 3 (oh the irony after what Brandywine did to Vincent Ward) the film was taken away from Hill and churn edited (in this instance by Francis Ford Coppola no less).
If the goal was to improve the film the re-edit was either (as the kids say) An EPIC FAIL! or the film was really, really crap to begin with.
Dialogue tone and lip synch mismatches make the official version the sort of thing that would be booed off of any Fan Edit forum and the on screen tension is lacking much in the on screen tension department.
A rather good cast of actors deliver remarkably unremarkable performances.
The sets and the special effects must have cost a fortune which poses the obvious question of why a gimp doing robotic dance moves is their take on a ship's android.
The onboard computer is excessively chatty on every speaker in the ship which must be a workplace distraction and Lou Diamond Phillips' plot necessitated grey hair is so obviously painted on it looks more like a fashion statement than a sign of natural aging.
Peter Facinelli's arse cheeks provide the most compelling performance in this film.
Even when Coppola photoshops James Spader's head to it
(you can tell he went to film school with Lucas).
I'm sure Angela Bassett was pleased to find that the few physical differences between herself and co-star Robin Tunney can be removed by a post-production darkning of skin.
I suspect ass action was down to Jack Sholder directing the reshoots (he has a history of getting Monsieur Derriere to perform, ask Marshall Bell of A Nightmare On Elm Street 2 fame for details).
No balls. One Finger.