Extremely Inappropriate!

After awakening in the Edo era, a neurosurgeon uses his medical knowledge to help those around him while searching for a way back to the present day.

Hundreds of years from now, the last surviving humans discover the means of sending consciousness back through time, directly into people in the 21st century. These "travelers" assume the lives of seemingly random people, while secretly working as teams to perform missions in order to save humanity from a terrible future.

One day, Naho Takamiya receives a letter written to herself from ten years in the future. As Naho reads on, the letter recites the exact events of the day, including the transfer of a new student into her class named Kakeru Naruse. The Naho from ten years later repeatedly states that she has many regrets, and she wants to fix these by making sure the Naho from the past can make the right decisions—especially regarding Kakeru. What's more shocking is that she discovers that ten years later, Kakeru will no longer be with them. Future Naho asks her to watch over him closely.

In the near future, Vivy, a diva-type A.I., went up on stage each day with hopes of putting her heart into her song. One day, the A.I. Matsumoto, who claims to have arrived from 100 years in the future, appears before Vivy with an important request...

A group of friends have customized their microwave so that it can send text messages to the past. As they perform different experiments, an organization named SERN who has been doing their own research on time travel tracks them down and now the characters have to find a way to avoid being captured by them.

Two different students - a successful but aloof academic and a rebellious but kindhearted delinquent - form a friendship through their love for music.

Takemichi Hanagaki is a freelancer that’s reached the absolute pits of despair in his life. He finds out that the only girlfriend he ever had, in middle school, Hinata Tachibana, had been killed by the ruthless Tokyo Manji Gang. The day after hearing about her death, he’s standing on the station platform and ends up being pushed over onto the tracks by a herd of people. He closes his eyes thinking he’s about to die, but when he opens his eyes back up, he somehow had gone back in time 12 years. Now that he’s back living the best days of his life, Takemichi decides to get revenge on his life.

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

Megas XLR is a series about an overweight couch potato named Coop who stumbles across a giant robot in a junkyard. He soon discovers that the robot was sent from the future when a woman named Kiva returns to the past to claim what is rightfully hers, though Coop made so many modification to the machine so he's the only one who can fully operate it. Things also heat up when Coop learns that an alien race called the Glorft are also after his MEGAS robot, so he teams up with Kiva and his best friend Jamie to fight them off, though mostly so he can keep his new toy.

Six studios and seven directors adapt the early works of Tatsuki Fujimoto, the mastermind behind "Chainsaw Man," into an anime anthology. Each episode is an anime adaptation of a short story he drew from ages seventeen to twenty-six, including the first manga he ever submitted for competition. Watch as vivid tales of young love, chaos, madness, and the bonds between people unfold in each episode.

Kouta has girl troubles of the supernatural sort. For some reason, he keeps attracting the attention (and affections) of animal spirits! Having spent most of his life in the country, Kouta is understandably nervous when he moves in with his grandma to attend a high school in the big city. He hoped to make a good impression, but having Chizuru, a beautiful fox spirit, hanging off his arm didn't seem to be the sort of image he wanted to have. She's not alone in her love for Kouta, either. Nozomu, a wolf spirit, as well as other youkai have their sights set on the hapless country boy.