Breakfast Club is also up there, on the strength of changing "Eat my shorts" to "Eat my socks", and adding several scenes for TV. Also, as I recall, Anthony Michael Hall's voice apparently changed in between primary filming and post-production dubbing so that not only is his character's dirty language replaced with faux-swearing, but his voice suddenly drops a half-octave in mid-sentence just for the faux swearwords and then shifts back to normal.