Fi is a brilliant TV series, plain and simple. It is unique in that it relies on imagination and psychology to scare you and make you think twice about the world around you. The writer did a fabulous job constructing the imagery of this series, and I genuinely did not know about the ending until it was revealed. Quite a shock! Anyone who bashes it is simply not giving it a chance or don't fully realize the complex dialog and imagery around them. Brilliant