Is History's Biggest Secrets coming back?

History's Biggest Secrets ended on December 20, 2013. The show aired its final episode on that date, concluding its single season. There are no upcoming episodes or plans for continuation at this time.

History's Biggest Secrets was a documentary series that premiered in 2013. It explored the origins of Earth and humanity, focusing on significant events across geological, biological, and technological disciplines. Hosted by Bryan Cranston, the series aimed to uncover how Earth and civilization nearly did not come to be, presenting complex scientific topics in an accessible way.

The series featured Bryan Cranston as the narrator and had a runtime of about 65 minutes per episode. It consisted of five episodes, all of which aired on December 20, 2013, via Prime Video.