Aliens
Browse anime with this source classification.
Uchurei!
The "summer supernatural teen comedy" revolves around an ordinary high school boy named Takashi who ends up living with a space alien's spirit (uchūjin no yūrei) after…
Comedy · Sci-Fi · Slice of Life
Balatack
Late at night, at a lake surrounded by a peaceful forest, a mysterious spaceship landed on the water. The group that emerged from that ship kidnapped the…
Adventure · Mecha · Sci-Fi
Occult Academy
In the year 2012, the world is a wasteland invaded by aliens. Time travelers like Fumiaki are sent back to the year 1999 in order to destroy…
Comedy · Mystery · Sci-Fi
The Rebirth of Buddha
17-year-old Sayako Amanokawa aspires to become a journalist, just like Kanemoto, an elite newspaper writer she looks up to. But Kanemoto, shamed from an erroneous report about…
Psychological · Romance · Supernatural
Space Ace
Dr. Tatsunoko of Tatsunoko Research Center goes undersea accompanied by his daughter Asari to inquire into some mysterious radiation and discovers there a giant shell and it…
Action · Adventure · Sci-Fi
Transformers: Scramble City
Beginning with a recap of the coming of the Transformers to Earth and the story of Devastator, the OVA then gets its original story underway, as the…
Action · Mecha · Sci-Fi
Halo Legends
This sweeping science-fiction saga delves into the rich Halo universe with 7 exciting stories including tales of Master Chief's mysterious origins, the Spartans' advanced combat capabilities and…
Action · Drama · Sci-Fi
Extraterrestrial Oranges
Mikan Seijin is about an tangerine-like alien on earth.
Comedy
Eagle Riders (2)
After Leader X is seemingly destroyed for good at the end of Gatchaman II, a fragment of him that survived grows and mutates into Z. With the…
Action
Birdy the Mighty Decode: The Cipher
This OVA connects the first and second Tetsuwan Birdy DECODE seasons. Birdy uses her pin-up alter ego to help Tsutomu make a love connection with Sayaka, but…
Action · Comedy · Sci-Fi