Whilst they share the same name-sake, Erik is different from other Stiflers in that he does not possess the same sexual prowess, use of swearing and anti-social behavior. Chris "Oz" Ostreicher Chris Kleinwho is on the high school lacrosse team with Stifler, joins the jazz choir to pick up girls, as the girls in the band know little of his insensitive jock reputation. Meanwhile, Jim, Oz and Kevin are angered by Stifler's lack of tolerance towards their friend and rally to Finch's side. The two become reacquainted and talk to each other. However, the guys soon realize how much they mean to Stifler, and how much he means to them, so they locate him at work and make amends with him.
In the morning Stifler doesn't understand why the door is locked, and upon entering he realizes that his mom has had sex with Finch and faints, unable to believe that his mom and "shitbreak" are together.
To obtain an R-Rating the movie had to be cut slightly. At the wedding, Finch taunts Stifler by whispering "grandmother fucker". Although Steve teaches him several lessons on how to get girls, when it comes to the night of the party he simply puts Matt on watch-dog duty. It doesn't take long before Finch gets into the car and drives off to the lakeside to have hard sex with her. With success came some personal setbacks: Walcott on the other hand, had no such notions.