YUP
In the movies yes and no, because it was in 3d, but there was also 2d.
Yes. I watched it in 3D and thought it was very very good.
How to Train Your Dragon 2 was released on 06/13/2014.
Seeing as how How To Train Your Dragon is now out on DVD, it is unlikely there would be any more theatrical showings.
The price for seeing "How to Train Your Dragon" in IMAX 3D can vary based on location, theater chain, and time of day. Generally, ticket prices for IMAX 3D screenings range from $15 to $25 per person. It's best to check with your local theater for the most accurate pricing information.
Dragon - 2004 Dragon's Train Dragon Passes the Time 1-9 was released on: USA: 4 November 2006
Dreamworks How to Train Your Dragon Legends - 2010 was released on: USA: March 2010
I am assuming you are referring to Dreamworks' How To Train Your Dragon. The sequel, How To Train Your Dragon 2 was released June 13, 2014. A third installment is scheduled for June 2017.
It was first released on 18 March 2010.
Dragon's Lair 3D Return to the Lair - 2002 VG was released on: USA: 18 November 2002 UK: 5 March 2004
Bum Reviews - 2008 How to Train Your Dragon 3-6 was released on: USA: 28 March 2010
How to Train Your Dragon was created in 2003.