![Trollhunters: Happy Birthday to You!](https://image.tmdb.org/t/p/w300/A5lXFndY6b7c5E52i1Qn3iXpRT7.jpg)
Trollhunters: Happy Birthday to You!
What's better than a birthday? How about a chorus of trolls and humans wishing you the happiest, most epic celebration in history!
- genus: Animation, Family, Fantasy
- Studio: DreamWorks Animation Television
- keyword: troll
- cast: