Two minutes of animation nobody had to make, and they made it anyway. This is the Disgaea trailer that shipped on the DVDs and got stuffed into Disgaea 2, and every frame of it is original, not one recycled cut from the actual series. It rewrites the plot just enough to keep the real beats hidden, stages battle scenes that exist nowhere in the show, and introduces Laharl, Etna and Flonne like it's selling you a completely different anime. Then a boom mic wanders into frame and stays there, immortalized on retail discs, a mistake nobody caught and nobody fixed. That's the whole appeal. A promo with more animation budget per second than the thing it's promoting, and a production slip you can point at forever. Cult viewers hunt this down specifically to watch the microphone.
A one-off special made to promote the anime, included on the DVDs and on the Disgaea 2 game. Every frame of animation is new rather than reused from the series. It sets up the main characters and the broad story, and it adds fresh battle scenes and a reworked plot so the show's events are not given away. Expect a mix of action, comedy and fantasy.