Collider note that executive producer Tim Johnson spoke a little last year about wanting to keep the TV series in the same vein as the original film:
“We’re actually going a little darker, a little more dramatic, much like the film. The goal was not to change it or lighten it for a TV series. The goal is to stay true to it in a TV series and that was actually fairly changing.”
We don’t get a huge amount of darkness in these trailers, but maybe there’s more of that still to come, with the show airing on Cartoon Network in autumn this year.
The feature sequel to the original film is still on track and in development, so this isn’t serving as a replacement to that, but should give fans of the franchise plenty with which to keep themselves entertained until summer 2014, with How To Train Your Dragon 2 set to be released on 20th June in two years’ time, the second of what is set to be at least a trilogy of feature films.