I have been working my way through the Torchwood series. The first two years are OK, but the third season was great. Imagine every single prepubescent child on the planet stopped in place and starting saying "we are coming" over and over in unison and all in English. Even kids in Africa and China. All the kids!
Of course Captain Jack saves the planet and the kids.
The 4th season starts with another good premise. Death for humans is eliminated. No healing or regeneration, just NOTHING will kill a human. Blow em up and the pieces of the person still move. Car accidents mangle a body but no death. Cancer continues to grow with no death. Of course in normal times over 115,000 people die every day. Now the population is exploding. Babies that would have been miscarriages continue to delivery. Pain and suffering continue, just no death. I am still in the middle of that season. Oh yea, only humans are immortal, all other things still die.