Hands down, Star Trek is the single most influential science fiction TV show ever made. A lot of other sci fi wouldn't exist without Star Trek. Not to mention the number of technologies that were influenced by Star Trek. Do you know why cell phones look the way they do? It's because that's how communicators looked in Star Trek. Doors that open by themselves? They got the idea from the USS Enterprise. A lot of scanning techniques used in medical diagnoses? Inspired by Star Trek. Not to mention the political and social theories that arise from Star Trek.