Dragonaut: The Resonance.

With an asteroid hurtling toward Earth, sexy human Dragonauts and their curvaceous dragon companions unite to create a formidable fighting force. In the middle of this race against time are Jin, a heartbroken flyboy, and Toa—a voluptuous mystery woman. If they can unlock the secrets of their connection and convince the Dragonauts to join the action, there may yet be hope for planet Earth!