Pikaia!
Genres: Drama, Slice of Life
Type: TV, Episodes: 13
Aired: Apr 29, 2015 to Jul 30, 2015
Studio: Production I.G, OLM
Source: Original
Rating: G - All Ages
Synopsis:
The story begins in the future when Earth itself is no longer inhabitable by living creatures. Humans began their interstellar migration with space colonies. Vince and Hana work as researchers in the Cambrian Project. Together with the creature Pikaia, they seek the Lost Code, the key to restoring Earth, and aim to return to Cambrian-era Earth.

(Source: ANN)