Parents need to know that "Finding Dory" is the long-awaited sequel to Pixar's 2003 classic "Finding Nemo." This time, instead of a parent searching for a child, the story revolves around Dory looking for her family. Like most Pixar movies, there are some very emotional moments, including an early montage in which young Dory - separated from her parents (a situation that may very well upset younger kids) - searches the ocean for them ...