The Legend of Space Sheriff Gavan is a special DVD released with Televi-Kun in 2012 to promote the film Space Sheriff Gavan: The Movie. It features the second Space Sheriff Gavan, Geki Jumonji and his partner, Shelly as well as the members of the Space Mafia Maku.
Shiro, a reporter, interviews Shinobu, a Noh mask artist of the Karasuma school. Suddenly, Shinobu passionately says, "I’ve wanted to meet you," leaving Shiro surprised. Kazuhiko, the adopted son of the Karasuma school, secretly watches their interaction. That night, Kijima, a factory owner, dies with flower petals stuffed in his mouth. Later, Kazuhiko is found murdered at the Kamo River...
Fukami, a secretary engaged to company president Kaido, her employer, is invited by his close friends, the Nogis, to a three-day-two-night tour. The tour group is traveling in a luxurious coach to Lake Megami in the Tateshina Plains. On the way, they are disturbed to hear that Shirai, a hostess who was supposed to come along on the tour, has been murdered. And the next day, the body of Hasegawa, another tour member, is floating in Lake Megami...
Yuki Kimura, a company president's secretary, agrees to marry his son Yutaka on the president's recommendation. When Yutaka breaks up with his lover, a hostess, she implies she's going to commit suicide. In a panic to get to her quickly, Yutaka punches a man at a taxi stand. The next day, when Yutaka's lover hears the news about a man dying and realizes it was the man Yutaka punched, she demands money...
Mysterious incidents occur around geiko in Fukagawa, and there is always the presence of a black cat at the scene of the tragedy. The woman, unaware of her presence, is pulled away by the banya, but a ronin, pretending to be a bouncer of the geisha district, appears and saves her, finally unraveling the fate of the woman.
Kenji Matsushita is a reportage writer. While he was interviewing the tattoo contest, he met a woman with a tattoo of a large snake, Kinue. Kineda is the mama of the bar and the wife of the president of the earth-moving company, Mogami. She was a sympathetic woman, and Kenji was drawn to her body and spent the night together. The silk branch was found in a dismembered corpse in the bathroom of her apartment, and the carved torso of the snake disappeared. Since the bathroom was completely closed, the investigation was stopped. So Kenji consults with his lover, Nobuko's older brother, Kyosuke. Kyosuke is a genius, and he solved the mystery of the closed room without difficulty. However, the criminal cannot be identified yet.
Kotiyama is a swindler and extortionist, the head of a whole gang of crooks, usually posing as a poor monk; once he really took vows, but he was kicked out of the monastery long ago. He is enterprising, smart and not too cruel, so his accomplices love him. Posing as an envoy from the abbot of the Kennei Temple, Kotiama plays a show in front of Lord Matsue with an income of 150,000 koku, and extorts money from him. The film is based on the famous play by Kawatake Mokuami.
Saito Masao reminisces on the days of his youth more than 50 years ago and his forbidden love of his older cousin Tamiko. When he was 15, Tamiko moved in to take care of his sickly mother. The two quickly fell in love with each other but were inevitably forced by their family to live separate lives.