Hikke og Tandløs er stadig et herligt makkerpar, men hvor deres venskab var hele verdenen i den første film, er perspektivet med filmene blevet ændret; universet er blevet udvidet.

...visually stunning and emotionally satisfying, with a conclusion that may leave the parents in the audience a little tearful.

These dragons are rendered so expressively, and they have become so dear. We may not deserve them, but that doesn’t stop the heart from wanting.

DreamWorks Animation’s most heartfelt series bows out with a beautifully designed finale...

...it’s the dragons that make this series soar. Small wonder, then, that DeBlois packs the frame with them, in such a dazzling array of varieties (...) that you can only look on agog.