In a summer movie season that has provided very little in terms of memorable entertainment, Greta Gerwig’s "Barbie" proves an undeniable triumph.

How to Train Your Dragon 2 was great. It had lots of action and surprises. Like when Drago (voiced by Djimon Hounsou) was trying to capture dragons and hurt Hiccup’s family. It had a lot of action because the dragons were fight...