Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These travelers assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future. | Drama, Sci-Fi & Fantasy | 3 Seasons | 34 Episodes | Series Premiere: Oct 17, 2016 | Last/Latest Episode: S03 E10 on Dec 14, 2018