Ben 10 Alien Swarm (2009)

It seems that Ben is an ordinary teenager who has no secrets, but in fact he hides from many that he is capable of being incredibly strong and invincible. Into everything. He is assisted by the Omnitrix clock, which gives him the unique ability to become a space monster at the right moment. Amazing capabilities allow him to help the inhabitants of the Universe resist evil invaders and ensure the safety of the Earth from the invasion of insidious aliens. For a long time he has to face serious obstacles, but sometimes thoughts come to the guy to give up this unnecessary heroism.

Now several feelings are struggling inside Tennyson, he seems to be tired of all this, but at the same time understands that humanity needs protection necessarily, or then all living things may collapse. This time hostile alien creatures decided to attack the planet, of course, in this case Ben will have to save again. That's just the daughter of an old enemy of his grandfather can help him in this difficult matter, but communication with her is strictly forbidden by a relative. Grandfather asked with all his might not to get involved with this girl and his father, but the guy definitely has no other way out.