Trumbull saved
Star Trek: The Motion Picture. The film was scheduled for Christmas 1979 but the effects were not done. Millions were uselessly wasted. Trumbull came in and completed the effects in time, including the amazing drydock scene (<
https://www.youtube.com/watch?v=tpEv8pRGkME>). When Kirk thanks Scotty at the end, he is really thanking Trumbull on behalf of the audience.