Back to the Future Part III effects for "Part III" were managed by effects company Industrial Light & Magic; the head of its animation department, Wes Takahashi, returned to once again animate the DeLorean's time travel sequences. The film grossed $23 million in its first weekend of U.S. release and $87.6 million altogether in U.S. box office receipts (or about $152.4 million when adjusted for inflation as of January 2011) – $243 million worldwide. On December 17, 2002, Universal released "Back to the Future Part III" in a boxed set with the first two films on DVD and VHS. In the DVD widescreen edition, there was
Back to the Future (franchise) not doing so will unravel everything they've accomplished. In a female voice, the artificial intelligence of the Quantum Mind Jar tells Doc that they need to go back to the future, which he dismisses as he doesn't want to risk making any more time travel. At that moment, another Emmett Brown, from an unknown time period, arrives, also declaring his experiment a success. Both versions of Emmett, along with the artificial intelligence of the Quantum Mind Jar, are shocked at discovering that there are two Emmett Browns present. "Back to the Future: The Ride" is a simulator ride based on