Upstream. Word Search Puzzle Solver. Upstream word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. Filmed entirely from the air Upstream follows the course of the River Dee in Scotland all the way to its source in the Cairngorm mountains the highest of any river in Britain. This includes identifying and searching for words that are related to : Julie Fowlis, Niall Gordan, Documentary .