Watch Ben 10: Alien Swarm (2009) HD Full Movie Free on solarmovie.do. Watch Ben 10: Alien Swarm (2009) online free. Against his grandfather's orders, Ben Tennyson teams up with the daughter of an old enemy in order t...Against his grandfather's orders, Ben Tennyson teams up with the daughter of an old enemy in order to prevent an alien infestation of earth.