시즌 1, 에피소드 4: Mir finds out that Ray's birthday is coming up soon. So Mir plans to throw a surprise birthday party at the amusement park with the Mix Masters and Master Hench. But Ray doesn't feel good about his birthday because his brother, who he always felt inferior to, died that same day. The Mix Masters get split up at the amusement park and Babel makes the most of his chance to attack the Mix Masters.