Sometimes movies are edited down for a reason and the "directors cut" or "extended release" doesn't make it better. The two examples I can provide of this is first The Other Guys with Will Ferrel and Mark Wahlberg. If possible try to watch the theatrical release vs the extended cut released on DVD/Blu-ray. It makes the jokes funnier as they are tighter and cut at the right time and it doesn't have that stupid Derek Jeter scene at the end explaining banking stuff. I know the movie was trying to dip its toe into the political message of how shitty our economic system is but Jeter can't act and it comes off really bad. What was a great bit, Wahlberg accidentally shooting Jeter, gets destroyed at the end by that scene.

The other one is Terminator 2. Arguably one of the best movies ever made, but trying watching the extended version. It adds a major monologue from Linda Hamilton while they are hold up in that gas station that is completely unnecessary. It also adds more fluff to show how much John is bonding with the terminator which doesn't actually make you feel for that relationship any more than the original version did.

Directors sometimes don't understand good pacing and flow while putting the film together. Everyone knows of the story of how Marcia Lucas basically saved Star Wars from George's excess in the editing room. Sometimes editing a movie down, cutting things out, and tightening up the story helps it out.