'The Hangover Part III' is due out in a week, and the one thing the trailers and posters have hammered home is that this is the final chapter of the series. The movie, which stars Zach Galifianakis, Bradley Cooper, Ed Helms and Ken Jeong, is promising closure and this latest (likely final) NSFW trailer plays up that this is the end.

The trailer begins by summarizing the events of the first and second film before leading into footage from the new movie, which starts with Zach Galifianakis saying he must resign from the wolf pack. It then shows some highlights from 'Part III,' which include the return of "Black Doug" (Mike Epps) and Leslie Chow (Jeong) acting like a reprehensible jerk. It's Chow who gets the wolf pack in trouble -- this time with John Goodman. Also, there's lots of swearing.

Though 'The Hangover Part III' promises that it's the end of the franchise, Hollywood has proved reticent about retiring films that make piles and piles of money, and -- though most people didn't like the second film as much as the first -- the third film looks like another big hit. With many movie franchises wearing out their welcomes, we're happy that they say this is the end... but we'll believe it in ten years. 'The Hangover Part III' opens in theaters May 23. Here's that trailer:

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