Rotten Tomatoes: 92%

The 100 is an American post-apocalyptic science fiction drama television series developed by Jason Rothenberg. The series follows a group of teens as they become the first people from a space habitat to return to Earth after a devastating nuclear apocalypse. (Wikipedia)

IMDb: 8.2/10

Travelers is a Canadian-American science fiction television series created by Brad Wright. In a post-apocalyptic future, thousands of special operatives are tasked with preventing the collapse of society. These operatives, known as "travelers", have their consciousnesses sent back in time, assuming the hosts’ identity while saving the future!