From Detective Conan Wiki
Season 12 aired from April 21, 2003 to February 23, 2004.
 List of episodes
The following is a list of episodes for Season 12.
|Jap#||Eng#||Episode title||Original airdate||English airdate||Plot||Manga source||Next Conan hint|
|316||-||The Sullied Masked Hero (Part 1)||April 21, 2003||V38 - F5~7||Mask|
|Kogoro, Ran and Conan were invited guest to a pro-wrestling show, where the main attraction was a wolf-masked wrestler from Mexico who never disclosed his face in public. Shortly before the most anticipated match, the opponent of the wolf-masked wrestler was found stabbed to death, and a hidden video camera recorded the murder, showing the culprit to wear the same wolf mask.|
|317||-||The Sullied Masked Hero (Part 2)||April 28, 2003||V38 - F5~7||Brake|
|Inspector Megure, and Takagi and Chiba all begin the investigation. After some investigation, Conan is able to solve the case through the hidden video camera, which the killer tried using to their advantage. Conan stuns Kogoro, and solves the case, but the murderer goes on a rampage, until Ran unveils her "Shining Wizard!"|
|318||-||The Lucky Cigar Case (Part 1)||May 5, 2003||TV Original||Cigar|
|Kogoro, Conan, and Ran are all driving late at night, and their car stops by an office. The business clients there are testing new massage chairs. Kogoro becomes the person who decides which one is the best. Later that day, the owner of the office is found with a knife in his chest, and the main suspect escapes. Kogoro and Conan later find the suspect dead having crashed his car. Inspector Sango Yokomizo begins an investigation. The owner of the office is alive, but Conan doubts his story.|
|319||-||The Lucky Cigar Case (Part 2)||May 12, 2003||TV Original||Answering machine|
|Inspector Yokomizo, Kogoro, and Conan all view a hidden camera that shows the man stab the office owner, and then leave. However, there is no sound, so Conan suspects something is fishy. After some investigating, Conan figures out that the office owner is a murderer, and stuns Kogoro and solves the case.|
|320||-||The Art of Ninja Alibi Craft||May 19, 2003||TV Original||Honeybee mark|
|Detective Chiba and Conan both wake Kogoro up from a Sunday morning nap, because Inspector Megure needs Kogoro's assistance in a case. As Kogoro arrives, Inspector Megure and Detective Takagi begin he investigation of the man killed, and the man was a client of Kogoro's, as Kogoro's business card was found in his pocket. The man was the disciple of a famous novelist. The main suspect has a solid alibi. Can Conan solve the case?|
|321||-||The Kidnapper's Disappearing Getaway Car (Part 1)||May 26, 2003||TV Original||PET bottle|
|Conan and the Detective Boys are all in a hospital, where they meet a sick friend from school. The kid is going to stay in the hospital for a very long time, and wants to enjoy one last day of fun. So, the Detective Boys decide to dress up someone like the boy, so that the boy can sneak away for a day. Conan is chosen as the one to stay at the hospital. Later, Conan is kidnapped!|
|322||-||The Kidnapper's Disappearing Getaway Car (Part 2)||June 2, 2003||TV Original||The number 9|
|The Detective Boys are forced to go to the police after Conan does not answer their calls from his badge. Conan escapes from the hideout, but the kidnapper is later found murdered. Inspector Megure, Takagi, Sato, Chiba, and Tome all begin an investigation. Conan is able to solve the case.|
|323||-||Heiji Hattori's Desperate Situation! (Part 1)||June 9, 2003||V38 - F8~10||Die (object)|
|Heiji is being held in an attic by a noted lawyer involved in money-laundering, who wants him to solve a puzzle for her. Heiji attempts to get a message to Conan who may be the only one capable of helping him out of his situation.|
|324||-||Heiji Hattori's Desperate Situation! (Part 2)||June 16, 2003||V38 - F8~10||1・2・3|
| Conan managed to send a hidden message back to Heiji. Heiji claimed to solve the puzzle and left with his captor to unlock the safe box in the bank which contained evidence of her crimes. After they departed, the henchmen left behind to guard Kazuha revealed that once their boss informed they she got the evidence, they were to burn the house down with Kazuha and the PI inside, and make it look like yet another incident in a recent spate of arsons.
|325||-||The Red Horse within the Flames (The Case)||June 23, 2003||V39 - F1~5||Guan Yu|
| Heiji revealed he was taking up the case of the private detective he came to visit in Tokyo. A housewife had wanted the PI to investigate some strange going-ons around her house, but later changed her mind, saying she might have imagined things. Shortly afterwards, she died in an arson in her home.
|326||-||The Red Horse within the Flames (The Investigation)||June 30, 2003||V39 - F1~5||Key holder|
|Conan and Heiji noted that the arson occurred in the 4th precinct, and related to previous Red Horse arsons that occurred sequentially in the 1st, 2nd and 3rd precincts. They found clues that the victims all received corporate tokens in the form a red horse. Ran and Kazuha ran into a door-to-door salesman giving out similar tokens, and brought it back to Mori Detective Agency which was located in the 5th precinct.|
|327||-||The Red Horse within the Flames (The Resolution)||July 7, 2003||V39 - F1~5||Wine glass|
|Conan and Heiji noted the similarity of the arson case to Agatha Christie's The A.B.C. Murders. They narrowed down the suspect's to people around the victim of the 4th arson - her husband, her lover she was blackmailing, her sister who needed money but was refused help, and the door-to-door salesman.|
|328||-||The Birthday Wine Mystery||July 14, 2003||TV Original||Sunroof|
|Mouri, Ran, and Conan are invited by Ran's friend to attend their small birthday party. There, a woman is poisoned from drinking wine, but her wine was given after someone else took a drink already. Conan figures out the trick and proves the culprit to be the murderer. The culprit reveals that the victim was his girlfriend who kept on buying expensive items leaving him in debt.|
|329||-||A Friendship That Can't Be Bought (Part 1)||July 28, 2003||V39 - F6~8||Belt|
| While on an excursion, Agasa and the Junior Detective Club encountered four final-year college students in a camper. The four contributed differently to their camping trip: driving skills by one of the guys, fishing by the other, cooking by one of the women and money from the other. Conan contrasted the friendship of these four with Ran's friendship with Sonoko.
|330||-||A Friendship That Can't Be Bought (Part 2)||August 4, 2003||V39 - F6~8||Curry rice|
| Conan solves the case by revealing the fact that the body was tied to the ceiling window of the camper and dropped when the window was opened. Later, Ai allows Ayumi to call her Ai-chan instead of Haibara-san.
|331||-||The Suspicious Spicy Curry (Part 1)||August 11, 2003||V40 - F4~6||Electric cable|
|Mouri, Ran, Sonoko, and Conan are on a trip to play Tennis when it starts to rain heavily. Later, they find out that the Van has been washed away and that they are stranded. After walking around, they find a house owned by the same man they met at the Tennis Court. Later, the man asks them to call his mother down, but find her hanged in her room. Detective Yamamura is sent from Gunma to begin the investigation.|
|332||-||The Suspicious Spicy Curry (Part 2)||August 18, 2003||V40 - F4~6||Ran's mother and Shinichi's mother|
|Conan solves the case but has lost his voice. Now he must assist the detectives on finding the criminal without using his voice or revealing too much about himself. The case is solved by giving hints to Mouri, Yamamura, and Sonoko.|
|333||-||The Similar Princesses (Part 1)||August 25, 2003||V40 - F10 ~ V41 - F3||Bookmark|
| Detective Mori is hired by a rich woman to keep watch on her husband, as she fears that someone is after him. Instead, Ran's mother, Eri, and Shinichi's mother, Yukiko, arrive and take the position. After the rich man is murdered, the two women, along with Conan and Ran, must try to figure out who did it. It turned out that Yukiko and Kisaki were close friends in high school and two finalists in a Miss Teitan High School competition, the final results being a tie after all but one eligible votes had been cast, leading to a furore and the competition being discontinued subsequently.
|334||-||The Similar Princesses (Part 2)||September 1, 2003||V40 - F10 ~ V41 - F3||Messy room|
| Conan helps his mother to reveal the true culprit behind the murder. Yukiko starts to explain, and Eri quickly catches on to who the murderer is and helps her successfully solve the case. At the end, the rich woman is forced to pay Eri a great sum of money which she uses to help out Ran and Kogoro, who has lost a great deal of money on gambling. From Ran, Yukiko and Kisaki learned that the missing vote from their year's Miss Teitan High School competition belonged to Kogoro.
|335||-||Secret of the Tohto Film Development Studio (Part 1)||September 8, 2003||V41 - F4~6||Fluorescent tape|
| Yukiko brings Conan, Ai, and the Detective Kids to watch a Kamen Yaiba movie preview at a film making centre. Conan notices that a black car followed them all the way to the film making centre, and suspects that the car belongs to people from the Black Organization. Yukiko teases Conan about how popular he is, and Conan is surprised that Yukiko thinks Haibara likes him. As the movie preview was postponed, Yukiko left for the airport first and the kids went to one of the film worker's house to have a short nap before the movie. Later in the night, a murder occurs in the house.
|336||-||Secret of the Tohto Film Development Studio (Part 2)||September 15, 2003||V41 - F4~6||Receipt|
| The biggest mystery in this murder case is how the murderer managed to leave the messy house in the dark without making a sound. Haibara notices the black car that has been following them and realises that they are being watched. She is wary but doesn't seem to be able to get Conan's attention away from the case. Will Conan notice Haibara's fear and suspicions before it's too late?
|337||-||Hidden Circumstances of the Falling Incident||October 13, 2003||TV Original||Reel|
|After getting off a train, Mouri and Conan witnessed a struggle between two men over a backpack. Later, one of the men fell off the building and died. The other man named Sanben is questioned. He said that his backpack was stolen while he was in the washroom, and he was trying to retrieve it from the other man, Kurin. However, the accident turned out to be a murder made to look like an accident. Sanben's motive was revenge for his girlfriend, whose death was supposedly caused by her dashing across the road, but was actually caused by the drunk Kurin whose car ran over her.|
|338||-||The Four Porsches (Part 1)||October 20, 2003||V41 - F7~9||Power window|
|Conan and Agasa decided to bring a very sick Ai to the clinic, but the clinic happened to be filled and they had to wait at least 2 hours before their turn. They then decided to first have lunch at a nearby shopping mall. At the car park of the shopping mall, they spot four porsches, with a drunk man sleeping in one of them. Later, Conan and Agasa meet Ran, Sonoko and Jodie at a restaurant while Ai rested in Agasa's car. Conan noticed Jodie's suspicions when she heard Ran mention Ai. He was then interviewed by a TV crew and decided to return to the car and bring Ai away as he knew he could have been spotted by people from the Organization through television. However, when he returned to the car park, the man in the Porsche was found dead, and Conan has to solve the case.|
|339||-||The Four Porsches (Part 2)||October 27, 2003||V41 - F7~9||Haibara's older sister Akemi Miyano|
| Ai and Agasa could not leave the shopping mall as the exit was blocked by the police. Jodie notices the sick Ai in Agasa's car and remembers her from the bus hijacking case. Jodie thinks she may have finally figured out who Ai is. After Conan solved the case, Vermouth is shown in her room and she apparently knows Sherry's whereabouts.
|340||-||Hidden Bathroom Secret (Part 1)||November 3, 2003||V41 - F10 ~ V42 - F1||Toilet fixtures|
|This episode reveals bits and pieces of Ai's family. Ai knows very little about her parents, and considers her mother a cold and mysterious woman, nicknamed "Hell Angel" by the Organization. Professor Agasa then brought Conan and her to the house of her father's old friend, who is also a professor. Later, after leaving the bathroom, that professor is murdered, leading Ai to believe the Black Organization is behind it. What is the secret of the bathroom, and what does it have to do with Ai and her estranged family?|
|341||-||Hidden Bathroom Secret (Part 2)||November 10, 2003||V41 - F10 ~ V42 - F1||Wedding ring|
| Conan solves the case and retrieves the secret that Akemi hid in the bathroom. It turned out to be a set of cassette tapes, recorded by Elena, Akemi and Ai's deceased mother, for Ai's birthday every year right up till the year she turns 20 (the official age as an adult in Japan). The episode ended with Conan saying that Ai's mother was a true angel.
|342||-||The Bride of Huis ten Bosch (1 Hour Special)||November 17, 2003||TV Original||Keeping things tidy and in order|
|Sonoko, Ran and Conan are guests at a wedding to be conducted at the Dutch theme park Huis Ten Bosch in Nagasaki. Upon arrival, there was unmistakable tension from the groom's household members (a banking family) towards the bride-to-be, who was not from an elite background. Subsequently, loss of a valuable heirloom ring given to the bride by the groom threatens to end the marriage before it begun. As Ran, Sonoko and Conan worked hard to locate the missing ring, the bride-to-be herself went missing. More complication arose it was revealed that a decade before, the bride-to-be's father, a glass artisan, committed suicide after being unable to repay a loan to the bank owned by the groom's family.|
|343||-||The Convenience Store Trap (Part 1)||December 1, 2003||V42 - F2~4||Convenience store bathroom|
| Jodie is planning to leave, and Ran and Sonoko, stunned by the news, decide to throw her a going away party. They go into the store and find young woman named Aya being accused of shoplifting by her boss. They manage to come up with three possible suspects. Ran attempts to call Shinichi or Conan for help, since both are better at solving mysteries, but surprisingly, Jodie stops her and tells her to use her own deduction.
|344||-||The Convenience Store Trap (Part 2)||December 8, 2003||V42 - F2~4||Tarot card|
| Aya's boss threatens to fire her and call the police if the case isn't solved, leaving Ran as her only hope. Ran speaks to Shinichi before sharing her deduction. She yells about a fire, forcing the culprit, who was hiding in the store, to reveal him. From there, Ran explains her theory, and he confesses his actions. Later, Ran discovers pictures of Shinichi, Conan, and Ai at Jodie's house.
|345||-||Head-to-Head Match with the Black Organization: A Dual Mystery on a Full Moon Night (2.5 Hour Special)||January 5, 2004||V42 - F5~10||Emblem|
| Kogoro and Sonoko are invited to party held on a ship. Ai, who caught a cold during the last case, stays at Agasa's house to recuperate. Conan finds a new member of the Black Organization named Vermouth, the member which Ai was frightened of, most notably in episodes 230-231. During the party, Kogoro finds that the captain of the ship was murdered and decides to investigate. But unbeknownst to him, a mysterious figure also decides to investigate.
|346||-||Find the Buttock's Mark (Part 1)||January 12, 2004||V42 - F11 ~ V43 - F2||Key cylinder|
|James Black enters Jodie's hospital room, and discusses her current situation. Later, Haibara also enters, and Jodie asks of her to please consider entering the witness protection program. Haibara says she will think about it, and is a little distant to Conan and the Detective Boys later. While walking home, Ayumi walks into a man covered in a trenchcoat, running. He drops a bloody knife. Also, Genta has a strange mark on his shorts. Takagi and Sato are investigating a murder, and Conan, Haibara, and the Detective Boys help the investigation.|
|347||-||Find the Buttock's Mark (Part 2)||January 19, 2004||V42 - F11 ~ V43 - F2||Seal|
|Conan discovers the mark on Genta's shorts has to do with the murderer's car. Takagi, Sato, Chiba, and Megure round-up a group of suspects. Ayumi discovers that she knows which of them is the murderer. However, she is too scared to confront them, but she wants to. Haibara tells her that sometimes it's brave to not show yourself, to which Ayumi responds that she doesn't want to run away because, "If I run away, I can't win!" These words ring in Haibara's head. Ayumi confronts the killer, and additional evidence thanks to Conan is able to solve the case. Haibara later finally tells Jodie that no, she will not go into the witness protection program. Haibara is shown smiling, as is Conan.|
|348||-||Love, Ghosts, and World Heritage (Part 1)||January 26, 2004||TV Original||Magnifying glass|
|Conan, Ran, Kogoro, and the Detective Boys are visiting an old-fashioned village, that has a very dark past. While there, a man is found murdered, and by his body was a ghost! Is there a trick to this murder case, and could the murder have anything to do with the village's dark past? Also, who was the ghost?|
|349||-||Love, Ghosts, and World Heritage (Part 2)||February 2, 2004||TV Original||Telephone number|
|After an investigation, Conan is able to solve the case. He confronts the killer with some assistance and searching from the Detective Boys.|
|350||-||The Forgotten Cell Phone (Part 1)||February 9, 2004||V43 - F3~5||A loud sound|
|Kogoro and Conan are relaxing in the cafe below Kogoro's office. There, Azusa hands them a cell phone that had been left there a few days before. It is almost dead, and when it was on, strange angry phone calls would come in. She is hoping Kogoro can find the owner. When Conan turns the phone on, he sees strange numbers in the phone's address book. Later, Yumi Miyamoto enters the cafe and says that the man was hit by a truck, and died. Could that man have to do with the cell phone?|
|351||-||The Forgotten Cell Phone (Part 2)||February 16, 2004||V43 - F3~5||Track|
|After some investigating by Conan, Kogoro, and Yumi, there are able to locate the identity of the killed man, as well as the secrets of the cell phone. Conan figures out that te numbers are not real contacts, but are very important pieces of confidential and scandalous information. Later, the men behind the scheme on the phone are captured.|
|352||-||The Fishing Tournament Tragedy (Part 1)||February 23, 2004||TV Original||Latest fishing rod model|
|Conan, the Detective Boys, Sonoko, and Ran all enter a fishing tournament, that includes famous fishermen. While everyone goes their own way to fish, one of the fishermen is found murdered. Inspector Jugo Yokomizo arrives on the scene, and begins questioning each participant. No one was by the victim when they died. Can Conan figure out the case, as well as the trick the killer used?|
|353||-||The Fishing Tournament Tragedy (Part 2)||March 1, 2004||TV Original||Facial mole|
|Conan begins an investigation. He is able to discover who the killer is, and how they murdered the victim, as well as the evidence necessary to arrest them. Conan stuns Sonoko when the trophies are being given out, and solves the case.|
 Theme songs
- Episodes 306-332: Kaze no lalala by Mai Kuraki
- Episodes 333-355: Kimi to yakusoku shita yasashii ano basho made by U-ka saegusa IN db
- Episodes 307-328: Ashita o yume mite by ZARD
- Episodes 329-349: Kimi to iu hikari by GARNET CROW
- Episodes 350-375: Nemuru kimi no yokogao ni hohoemi o by U-ka saegusa IN db
 See also
|Seasons of the Anime|
|Season 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22|