Katherine Heigl plays the up-and-coming star of E! television, a 
          totally professional go-getter with a sunny disposition and a 
          sympathetic personality. On the night following a big promotion, she 
          goes out to celebrate and really enjoys hanging out with a lovable 
          slacker who makes her laugh. She enjoys it so much that she ends up 
          pregnant, and makes the decision to keep the baby. Her impending 
          motherhood prompts her to get acquainted with the flabby slacker (Seth 
          Rogan) who has fathered her imminent child.
          The film combines rom-com sentimentality with a raunchy 
          youth-comedy sensibility. The film's auteur is Judd Apatow, who also wrote and directed The 40-Year-Old Virgin, 
          and has brought a fresh take on raunchy R-rated youth-oriented comedies. 
          Two elements unique to the genre:
          1) There are no evil, larger-than-life antagonists: no Beulah Ballbricker, no Porky, no Dean Wormer, no bullying jocks, no snooty 
          rich pricks. The essence of the dramatic conflict, such as it is, 
          derives from inside characters who are trying to evolve while they adjust to one 
          another, experiencing the customary fits and starts of human 
          relationships. In order to triumph, the main characters have to 
          overcome something inside themselves, not some stereotypical symbol of 
          oppression.
          2) The women are fully-rounded characters. In the traditional mold 
          for the raunchy comedy, the women are restricted to certain roles: (a) 
          the flawless virginal girl-next-door  (b) the controlling bitch (c) 
          the object of sexual lust whose personality is irrelevant. Apatow's women have strengths and 
          weaknesses and seem like real people. If there is any weakness to his 
          approach to female characters it's that the women don't get  an 
          equal share of the zingers. Of course that reflects life to some extent, but the 
          stories are still constricted by the exclusively male point of 
          view. The factor which made the dialogue in When Harry Met Sally so effective is that 
          it was co-written by a man and a woman, with each providing dialogue 
          and a suitable spin on the characters of the writer's own gender. Apatow 
          is moving in a good direction, but should pull a funny woman, someone 
          like Sarah Silverman, into his circle.
          Many people have questioned whether the hot, brainy career woman 
          would even give the aimless stoner an opportunity to come into her 
          life solely on the basis of his entrenched DNA, but that situation 
          does follow logically from these characters. One of the most 
          interesting things about this film is that it's not afraid to 
          challenge society's notions of winners and losers. Although Heigl is 
          the responsible and successful one of the romantic pairing, she has 
          paid a steep price for her success. She has no friends, no boyfriend, 
          and absolutely no life at all outside of the walls of the E! studio. 
          She doesn't quite live in her parents' basement, but it's close - she 
          lives in her sister's guest house.  Rogan, on the other hand, 
          basks in the camaraderie of a male bonding group. His friends live in 
          their own place, and really seem to enjoy their lives. They may not be 
          grown-ups, and they may not have ambition, but the reason they haven't 
          "moved on" is that they are satisfied with what they have. So which 
          one of the romantic couple is the loser? The answer to that is not as 
          clear as it first seems to be, and it's easy to understand why Heigl 
          might find it appealing to kick back with a sincere guy who has 
          genuine friends, just as Rogan might enjoy the chance to clean up now 
          and again. Each of them has something to offer the other, and that 
          makes their pairing plausible. 
          Between those complexities and the marriage of Heigl's sister and 
          brother-in-law, this film has a lot of complex subtext for a raunchy 
          comedy.