The Grim Adventures of Billy and Mandy Season 6 Episode 15

The Grim Adventures of Billy and Mandy Season 6 Episode 15 SerialGo Watch Online Streaming — As Billy sees Hoss Delgado's man in action again, he wishes to grow up to become a hero like him. Grim tells Billy that, in older times, an obvious way to become a hero was to kill a dragon. They travel to the Middle Ages for Billy to train under the supervision of the best dragon slayer, Sir Boss Del Guapo, who resembles Delgado from the present. Billy becomes friends with the dragon he was supposed to kill and spares its life, becoming the dragon's hero. Del Guapo finds himself transported to the present, where he has a brief encounter with Delgado.