[quote name='shrike4242']Wait, that doesn't make sense.
Are you saying that the two separately released titles are each 30 minutes longer than the combined film? There's an hour of extra content in the two separate releases than the combined film?[/QUOTE]
Yeah, what everyone else saying is what happened.
Both movies in theaters were around 90 minutes, I think Planet Terror might even have been a bit shorter.
The standalone DVD and BD releases are longer, Planet Terror is 105 mins, Death Proof is 113.
You get the sex scene in Planet Terror (no nudity still, sucks, she looks blazing in the movie) and the strip scene in Death Proof added back in, no "Missing Reel" messages. But obviously there is much more than just those scenes put back into them.