Watch the Trailer for the Kinda Sequel to 'Knocked Up' Titled 'This is 40'

When you think about big summer sequels, movies like "The Avengers" and "The Dark Knight Rises" come to mind. What doesn't come to mind is "Knocked Up."

Still, one of the sequels in the coming months will be a sequel to Judd Apatow's hit comedy "Knocked Up," which was met with solid reviews and great box office receipts as far as R-rated comedies are concerned when it hit theaters a few years ago.

The sequel (well, the trailer calls it a "kind-of sequel") to "Knocked Up" is titled "This Is 40." The movie stars Paul Rudd and Leslie Mann, who reprise their roles from "Knocked Up," and as you might imagine, the story has a lot to do with getting older.

Returning "Knocked Up" cast member Jason Segel also joins in, reprising his role along with Charlene Yi and Apatow's two daughters. New additions to the cast include Megan Fox, "Bridesmaids" star Melissa McCarthy, and "Girls" star and creator Lena Dunham.

Check out the first trailer for "This Is 40" below: