In spite of the mayhem that has been taking place in Ikebukuro, Shinra Kishitani and Celty Sturluson have decided to go on a short trip. Excited to finally be going out with the one he loves, the underground doctor makes it his priority to give Celty his undivided attention, even if it means rejecting phone calls from his good friend Izaya Orihara. However, despite his hopes of having a peaceful holiday, Ikebukuro's various residents continue trying to reach him. Furthermore, just as Shinra begins to enjoy reminiscing about old memories on a carriage ride together with his beloved, Celty starts to notice a strange presence...

One night, Mikado Ryuugamine accepts an invitation to Shinra Kishitani's apartment, eager to talk to Celty as quite some time has passed since the two last spoke. But, much to his astonishment, he finds that a large group of Ikebukuro's finest has gathered there for a hot pot party. Already confused with the current situation, Mikado is further surprised to see that his friend and fellow Raira Academy student Anri Sonohara is there as well. As the two decide to take a seat together, a few members of the group begin reminiscing over events from days past: Mikado recalls an adventure from his childhood with Masaomi Kida, Anri explains how she came to be friends with Mika Harima, and Shizuo Heiwajima tells of his first meeting with Tom Tanaka.

One night, Mikado Ryuugamine accepts an invitation to Shinra Kishitani's apartment, eager to talk to Celty as quite some time has passed since the two last spoke. But, much to his astonishment, he finds that a large group of Ikebukuro's finest has gathered there for a hot pot party. Already confused with the current situation, Mikado is further surprised to see that his friend and fellow Raira Academy student Anri Sonohara is there as well. As the two decide to take a seat together, a few members of the group begin reminiscing over events from days past: Mikado recalls an adventure from his childhood with Masaomi Kida, Anri explains how she came to be friends with Mika Harima, and Shizuo Heiwajima tells of his first meeting with Tom Tanaka.

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Two side stories: Chapter L (or chapter 25) about Lohmeyer/Romaiya senpai. Chapter F (or chapter 26) about Miwako finding ways to make fun of Yamazaki.

Special episode included with the Blu-ray box set of the original Jewelpet Tinkle anime series.

An unaired episode released with the sixth BD volume.

Special episode of Tonikaku Kawaii released Fall 2022.

New year special. Summary recap. This episode should be seen between episodes 12 and 13.

Extra science lessons included with the Gunbuster Blu-ray Box Complete Edition. These explain how the space ropeway works, and time dilation from near-lightspeed travel.

The science lessons are short "omake" bonus features originally present on the first two volumes. Each short lasts around two minutes, and stars super deformed versions of Noriko, Kazumi and the Coach explaining the various scientific aspects of the series.

A series of shorts related to Gunbuster.

The words that Gold Roger, the King of the Pirates, uttered just before his death excited the masses and the world has entered a Great Pirate Era! There is a group of young pirates who are about to set sail on the Grand Line. Monkey D. Luffy, a rubber man. Roronoa Zoro aka “Pirate Hunter.” Usopp, a sniper. Sanji, a seafaring cook. And “Cat Burglar” Nami. They, the Straw Hats, all place a foot upon a barrel and make their vows before their next journey across the great ocean. Luffy shouts “In order to be the King of the Pirates!” A decade ago in the Windmill Village... A little boy Luffy was enthralled with a pirate boss Red-Haired Shanks. But a group of mountain bandits shows up and makes fun of the pirates. “Why didn't you fight them?!” Luffy yells out angrily but Shanks says that it's nothing worth getting mad over. At that time, Luffy snatches the Gum-Gum Fruit from a treasure box and eats it and as a result, his entire body becomes rubber and he loses the ability to swim for the rest of his life! A few days later, Luffy is surrounded by the mountain bandits again and Shanks comes to help. “No matter what the reason, anyone who hurts my friends has to pay!!” Shanks and his pirate crew are incredibly strong and they beat down the mountain bandits. Higuma, the head of the mountain bandits, runs away kidnapping Luffy and heads for the sea. However, they encounter a local Sea Monster there and are attacked. Luffy is in a desperate situation... But again, Shanks saves the day. He outstares the Sea Monster and chases it away but in exchange, he loses his left arm... When Shanks leaves the village, he leaves his straw hat with Luffy. “Come bring it back to me someday! Once you've become a great pirate!” 10 years later, Luffy has grown up strong and he sets out for an adventure on a small boat. He again encounters the local Sea Monster for that fateful day. However, Luffy takes it down with a single blow of Gum-Gum Pistol. Luffy’s journey to become the King of the Pirates now begins!

These specials were originally shown at the Kimetsu no Utage live event which was held on October 20th 2019 in Tokyo. The cast members present at the event did a live dubbing of the characters.

Included with the premium collection release of the PS4 remake of Utawarerumono: Chiriyukumono e no Komoriuta. The anime will tell the story of Kuon's childhood days.

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Tales include: The Hill of Old Age, which tells of a conspiracy hatched against Japan's unifier, Oda Nobunaga. Seeing the Truth, about the assassin sent to murder Nobunaga's successor leyasu Tokugawa. The broadcast was a part of the Neo Hyper Kids program.

On the planet Mercury, the advanced technology of cybernetic prostheses has led to the development of giant pilotable robots. However, prolonged use of these achievements in bioengineering takes a significant toll on a pilot's body. As the Merucians' mobile suits gain formidable power, fear rises among the people of Earth. On her daughter Ericht's fourth birthday, pilot Elnora Samaya tests the state-of-the-art Gundam Lfrith under the watchful eye of its creator, Cardo Nabo. Ericht visits Elnora at work despite orders not to, and chaos unfolds after she forms a strange bond with her mother's mecha.

A commentary recap episode of the first 6 episodes.

Pen-Pen, the hat-and-tie-wearing prince of Penguin Land, turns up unexpectedly on little Mika's doorstep. and invites himself and his zany friends to stay. Based on the manga by Muroyama Mayumi, serialised in Shougaku Ninensei.

This is the 6th recap special of the Wano arc.

A one-episode story depicting the encounter between the mysterious boy Haruto and Satoshi.

This episode explains why the title of the series is "Flame of Recca". The things that happened in this short OAV was in the last volume, volume 33, of the tankoubon of Flame of Recca.

Due to the recent events that happened on the last episodes of the season, the Goddess have some stability problems with their body systems. The always adult looking Urd becomes a little girl and has a fateful encounter with a boy, whereas little Skuld becomes an adult and wants to experiment adulthood together with Keiichi.