Plot To celebrate a surprise promotion, pretty TV floor manager Alison Scott (Heigl) goes clubbing with her uptight sister (Mann). Buoyed by happiness and booze, she hits it off with a friendly slacker called Ben Stone (Rogen) and takes him home for a spot of one-off sex. A series of pregnancy tests later, and a one-night stand is turning into a lifetime commitment...
Verdict Knocked Up touches places most comedies wouldn't dare, some of them scarily biological, some of them scarily accurate. It's the sleeper hit of the summer, but don't worry: it's much better than that.