Yuyu Hakusho Episode 14

Yusuke returns from several months of training with the renowned psychic, Genkai. Unfortunately for him, now isn't the time to relax. Small demons called Makai Insects are invading the city. The beginning of an evil scheme to flood the planet with demons. Yusuke must go to a demon city and defeat the four Saint Beasts in order to save the people of the living world. Luckily, he doesn't have to do it alone, he has Kuwabara by his side, along with a couple unexpected new allies...