Aliens
Browse anime with this source classification.
Mahoromatic: Automatic Maiden
Vesper is a secret agency fighting an army of alien invaders by using super-powerful battle androids. Mahoro is Vesper's most powerful battle android and has won many…
Comedy · Ecchi · Romance
Mahoromatic: Something More Beautiful
As the relationship between Mahoro, Suguru and his classmates develops further, another android girl enters their lives and becomes attached to Mahoro. All the while, the number…
Comedy · Drama · Ecchi
Argento Soma
In the year 2059, the earth has been plagued by aliens for several years. In an effort to learn more about these aliens, Dr. Noguchi and his…
Action · Adventure · Drama
Crest of the Stars
Based on a science fiction novel series, Crest of the Stars (Seikai no Monsho) is the first installment in this sci-fi saga. The story follows Jinto, whose…
Action · Romance · Sci-Fi
Xenosaga: The Animation
The year is T.C. 4767. Four thousand years have passed since humanity abandoned its birthplace, the planet Earth. Beset by the hostile alien Gnosis, mankind is now…
58Action · Mecha · Sci-Fi
Fafner
Tatsumiyajima is the central island in the middle of a small cluster of islands, in a sleepy backwater of the Japanese isles. Not much happens there, and…
69Drama · Mecha · Sci-Fi
Futakoi Alternative
The Futaba Detective Agency, being run by Rentarou, who has taken over the family business, after his father's death 3 weeks ago. Along with Sara & Souju,…
65Comedy · Drama · Romance
Gate Keepers
It is Tokyo, 1969. Earth is under the attack of the "Invaders." Fortunately, though, the public is unaware of this. But to the secret orginazation, A.E.G.I.S., the…
64Action · Comedy · Fantasy
Gate Keepers 21
32 years have passed since the initial defeat of the Invaders. A.E.G.I.S is all but dismantled now and has become an underground organiziation consisting of only a…
62Action · Drama · Sci-Fi
RahXephon
In the year 2012 Japan was invaded by the Mu. Human-like beings from another dimension with blue blood. In the year 2015 Tokyo is attacked by invaders,…
71Drama · Mecha · Music