"Terra Nova" is a science fiction television series that aired from 2011 to 2012. The show is set in the year 2149, a time when Earth is overpopulated and polluted. To escape this bleak future, a group of people is sent back to prehistoric Earth, specifically to the year 85 million BC, to establish a new colony called Terra Nova. The series follows the Shannon family as they navigate life in this dangerous and primitive world. They face challenges from both the environment and a rival colony known as the Sixers, who have their own agenda. The show combines elements of adventure, drama, and family dynamics in a unique setting.