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 Part III capacitor appears, manned by Doc, Clara, and their two children Jules and Verne. Doc gives Marty a photo of the two of them by the clockworks in 1885. Jennifer asks about the fax, and Doc tells them it means that the future has not yet been written. Doc departs and the train disappears into an unknown time. The origins of the western theme for "Back to the Future Part III" lie in the production of the original film. During filming for the original, director Zemeckis asked Michael J. Fox what time period he would like to see. Fox replied that