Gargantia on the Verdurous Planet
翠星のガルガンティア (original)
Earth is a nice place for an alien to visit, but he wouldn't want to live here. Unfortunately, he may not have a choice.
Starring Kaito Ishikawa, Hisako Kanemoto, Ai Kayano, Katsuyuki Konishi, Shizuka Itoh, Sayaka Ohara, Kana Asumi, Tomokazu Sugita
It's a animation and action & adventure show, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of show.
Watch it here
Not found streaming from United Kingdom.