I am immensely convinced that this series is the best piece of modern art ever created. It is an incredible way of telling a story: creating a fake game and uploading fake "Let's plays" of it on YouTube. Petscop is the perfect combination of the modern enterintainment format (YouTube) and excellent writing.
Petscop is a series about a boy named Paul who claims to have found a mysterious game. He then uplaods videos of him playing the game on YouTube. This is how we, the viewers, can follow the series. All sorts of weird stuff starts happening and as you continue watching you get fed tiny bits of information but never quite enough. It is a very mind boggling experience and the series is up to each individual to interpret.
What makes it so unique is the fact that YouTube is used to tell the story, and not only through the videos! The description of the videos, the channel about page and the channel icon, all played a big part of telling the story while it was live for several years!
I find it sad that this piece of art never will get the global appreciation that it deserves since the audience that might enjoy it is very niche. You will have to have grown up watching YouTube let's plays or atleast have a very good understanding of what it is to get the full enjoyment out of the series. Other than that you will also need a loving for unanswered questions (eg. you like David Lynch) to fully appreciate Petscop. If you feel like you fit both of those descriptions then you must go ahead and watch the series right now.