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 shots, which did not satisfy Zemeckis and Gale until a week before the film's completion date. The compositing involved for the film's time travel sequences, as well as for the lightning effects in the climactic clock tower scene, was handled by animation supervisor Wes Takahashi, who would also work on the subsequent two "Back to the Future" films with the rest of the ILM crew. Alan Silvestri collaborated with Zemeckis on "Romancing the Stone", but Spielberg disliked that film's score. Zemeckis advised Silvestri to make his compositions grand and epic, despite the film's small scale, to impress Spielberg. Silvestri began