Pikaia!

is a Japanese educational anime series produced by NHK Educational. The first season aired from April 29 to July 30, 2015 for 13 episodes, and the second season aired from February 26 to May 27, 2017.

Plot
In a future where the Earth is rendered uninhabitable for all life, humanity began their interstellar migration with space colonies. Vince and Hana work as researchers with the creature Pikaia, in the Cambrian Project to seek the Lost Code as the key to restoring Earth to the Cambrian-era.