"How to Train Your Dragon," in theaters Friday, lowers the landmark animated film to the mediocrity of standard, dim live-action visual effects movies.

"How to Train Your Dragon," in theaters Friday, lowers the landmark animated film to the mediocrity of standard, dim live-action visual effects movies.

A vivacious cast lifts this live-action remake of DreamWorks fantasy cartoon about Vikings battling dragons, but the film is much too long.