Synopsis
On a day in the apartment where Shinohara Satsuki, Udagawa Yuzukom and others live, a palm-sized alien comes down with a broken spacecraft. The alien has amazing scientific power but has to stay in the apartment until the repair of his spacecraft is over.
Episodes
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Follow the voyages of Starfleet on their missions to discover new worlds and new life forms, and one Starfleet officer who must learn that to truly understand all things alien, you must first understand yourself.
Star Trek: Discovery

While pursuing fugitives the Space Federation police officer Birdy Cephon Altera finds herself on Earth.
Birdy the Mighty: Decode

Kusanagi Kei, a high-school student living with his aunt and uncle, has an encounter with a female alien. This alien is revealed to be a new teacher at his school. Later, he is forced to marry this alien to preserve her secrets. From there, various romantically-inclined problems crop up repeatedly.
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Pulled to the far side of the galaxy, where the Federation is 75 years away at maximum warp speed, a Starfleet ship must cooperate with Maquis rebels to find a way home.
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Daa! Daa! Daa! UFO Baby is a Japanese children's animated television series produced by J.C.Staff, Directed by Hiroaki Sakurai, and was aired on NHK-BS2 from March 28, 2000 to February 26, 2002.
Daa! Daa! Daa! UFO Baby

Renton Thurston desires to leave his home behind and join the mercenary group known as Gekkostate, hoping to find some adventure. When a robot crashes through Renton's garage the meeting sparks the beginning of Renton's involvement with Gekkostate as he takes off alongside the young girl Eureka as the co-pilot of the Nirvash.
Eureka Seven

Tokyo, Tomobiki Town. Lum, the gorgeous princess of the invading alien race of Oni is smitten with high school student Ataru Moroboshi. A dedicated womanizer, Ataru is unfazed by Lum’s fierce electric shock attacks and continues his daily hunt for pretty girls. With a host of other unique characters, including girl-next-door Shinobu, elegant shrine maiden Sakura, Lum’s best friends Oyuki, Benten, and Ran, Buddhist Monk Cherry, Ten, the little brat, heir to a wealthy family Shutaro Mendo and the masculine beauty Ryunosuke…it's a classic slapstick love comedy where anything goes!
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In the year 2063, eight high school students and a kid are flown out to Planet Camp, tasked with surviving on their own for a few days. But shortly after arriving, an ominous glowing orb warps them to an unknown quadrant of space, nearly 5,012 light years away. Now, the only way back home is a slow, dangerous trek across the universe—a journey that’ll test them in ways Planet Camp never could.
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The invasion of an alien race known as the Oni begins a new life for Ataru Moroboshi, a lecherous trouble-making tenth grader in the small town of Tomobiki. After unwittingly proposing to the Oni princess Lum Invader instead of his sweetheart Shinobu, Ataru becomes a conduit for aliens arriving on Earth, causing all sorts of havoc for him and his companions, not to mention his own reputation!
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A Time Prophet predicted that Kai would be the one to destroy the divine order in the league of the 20,000 planets, someday that will happen, but not today. Today a cowardly security guard, an undead assassin, a female with a body designed for sex and a robot head madly in love with her all make up the crew of the spaceship Lexx, the most powerful weapon in the two universes.
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After Earth is ravaged by a great religious war, an atheistic android architect sends two of his creations, Mother and Father, to start a peaceful, godless colony on the planet Kepler-22b. Their treacherous task is jeopardized by the arrival of the Mithraic, a deeply devout religious order of surviving humans.
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In the not-too-distant future, the Earth finds itself constantly under attack from extraterrestrial threats. The Terrestrial Defense Force establishes the Ultra Garrison, a team of six elite members who utilize high-tech vehicles and weaponry. Joining their fight is the mysterious Dan Moroboshi, secretly an alien from the Land of Light in Nebula M-78, who transforms into his true form in times of crisis, Ultraseven.
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With his secret identity now revealed to the world, Ben Tennyson continues to fight evil as a superhero with the help of the newly acquired Ultimatrix.
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A species of parasitic aliens descends on Earth and quickly infiltrates humanity by entering the brains of vulnerable targets; insatiable beings that gain total control of their host and are capable of transforming themselves to feed on unsuspecting prey. High school student Shinichi Izumi falls victim to one of these parasites, but the creature fails to take over his brain and ends up in his right hand.
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