Most filmmakers have a list of regrets about their projects, but getting a do-over is a rarity: "it was satisfying to check off a list of those little things, but also make room for missed opportunities.

How to Train Your Dragon” flew to the top of box office charts, earning a stronger-than-expected $83 million in its first weekend of release. Enthusiasm from family audiences and nostalgia toward the original 2010 animated adventure helped to propel inaugural ticket sales above expectations of $70 million to $80 million.