3. The Leftovers
These series might be the one which may want you to kill yourself along with all the people which dies in these series. Here all you get to see is 2% of the population disappearing from the earth, leaving friends and family behind along with leaving the viewer unambiguously stressed. HBO’s one of the series which would have no purpose if someone does not die. Now, what do we learn from this? How to reduce population!?