Watch full Ben 10 Episode 40 online full HD online. Cartoon video Ben 10 Episode 40 online for free in HD.
Part Four: After his meeting with Vilgax, Ben continues to transform rapidly without stopping or be able to revert to human form. While Vilgax tries to take the energy of a volcano to recharge his ship and return home, Ben gets the idea to “update” the Omnitrix and thus save the planet from his enemy. But what did he do exactly?