Monsuno: Season 2, Episode 5

2 - 5: Kidnapped

Dax goes to his hometown and waits for a mysterious person to tell him information about his parents, only to find out its Dom Pyro, who tricked him so Dr. Eklipse can experiment on him to re-create what happened to Jon Ace, so the rest of Team Core-Tech must find him and save him before he becomes "Toxic Dax".