When does Humans return?

The series focuses on the social, cultural, and psychological impact of the invention of anthropomorphic robots called "synths" The first series aired between 14 June and 2 August 2015. The second eight-episode series was broadcast in the UK between 30 October and 18 December 2016. A third series was commissioned in March 2017 and aired eight episodes between 17 May and 5 July 2018. In May 2019, Channel 4 announced that the series had been cancelled.
The series focuses on the social, cultural, and psychological impact of the invention of anthropomorphic robots called "synths" It explores a number of science fiction themes, including artificial intelligence, consciousness, consciousness and superintelligence.