Later, Stu is shown with his now wife house-sitting for Chuck and Cam who are now married as well.
They search for home-made sex tapes, and find a disturbing tape where Chuck is giving oral to a plush penguin while Cam is off-screen making sex sounds, implying that they might have made the tape and left it for Stu to find as a gag. According to Rotten Tomatoes, only 5% of critics gave the film positive reviews, based on 114 reviews.
Following the break up, Stu and Chuck decide to attend the wedding of one of Chuck’s ex-girlfriends, Katie.
At Katie’s wedding, Chuck becomes enamored with Cam Wexler (Jessica Alba), a clumsy, yet attractive and friendly marine biologist.
Their chemistry is apparent the moment they start talking.
The wedding eventually ends, and they seemingly go their separate ways.
Chuck meets a girl named Cam (Alba) and tries to become her true love.
Stu convinces Chuck to chase after Cam, who is now headed to Antarctica with Howard.
Chuck gets mad because of Stu's treason but Stu doesn't care about the complaints.
Chuck believes Cam wants to go out with Howard Blaine (Steve Bacic), who authored a book about penguins.
Stu eventually convinces Chuck to embrace the influx of women who have learned of his pattern and visit his practice, arguing that there's nothing better than having lots of guilt-free sex.
However, after having this so-called "guilt-free sex" with numerous women, Chuck decides he wants a serious relationship with Cam.