Disney/Pixar's “Finding Dory” reunites everyone’s favorite forgetful blue tang, Dory, with her friends Nemo and Marlin on a search for answers about her past. What can she remember?

It seemed like a risk for Pixar to turn comic relief character Dory from 2003’s endearing Finding Nemo into the lead character of its sequel. But Finding Dory, again directed and written by ...