The Sea Beast washes down this heavy thematic material with a playful tone and exciting, well-designed action.

If you’re going to title your movie The Sea Beast, you need to commit to a beast that earns its billing.

At a time when the American studios are struggling to deliver fresh animation, [Netflix] has undercut them with a period epic whose worthwhile lessons are tainted only slightly by preachiness.

Any movie with a giant purple crab can’t possibly be that bad.