Zwei Monster

In the organizer's words:

Once upon a time there was a blue monster that lived on the west side of a mountain where the sun sets. And on the east side, where the sun rises, lived a red monster. Sometimes the two monsters talked to each other through a hole in the mountain. But they had never seen each other. Until one day a nasty fight broke out between the two...

Young and old viewers alike will recognize themselves in the two monsters, who are so strikingly similar despite their contrasting looks and points of view.