Be careful which episode is sweetest, Superman or sweetheart superman.

20 episodes. Synopsis: Beware of Superman being hit by corrosive liquid. For the safety of sweetheart superman, he endured the pain and continued to fight, and finally defeated the enemy. Beware of Superman's crisis. With the help of sweetheart superman, they embrace each other. The League of Happy Heroes (formerly known as Happy Baby) is a long brand animation series directed by Huang Weiming, the former director of Pleasant Goat and Big Big Wolf. It starts on 20 10, with 26 to 52 episodes per season, each episode is 13 minutes. The film is based on humorous, touching and profound plots.