In Road Trip, four college buddies pull into every tired teen comedy pit stop (Bare breasts! Gross out gags!) while speeding to intercept the do it yourself porn video Meyer accidentally mailed his longtime girlfriend. Still, the film regularly shifts into reverse by appending politically correct take home lessons to any outrageousness. (Blacks and whites can get along! Women are not mere objects!) When ”Porky’s” looks courageous, it’s time to pull over.