Season 12

Season 12 aired from April 21, 2003 to February 23, 2004.

List of episodes

The following is a list of episodes for Season 12.

Jpn#	Int#	Episode title	Original broadcast	English dub broadcast	Plot	Manga source	Next Conan's Hint
316	-	The Tarnished Masked Hero (Part 1)	April 21, 2003
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-maskes 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 Tarnished Masked Hero (Part 2)	April 28, 2003
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318	-	Cigar Case of Good Fortune (Part 1)	May 5, 2003
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319	-	Cigar Case of Good Fortune (Part 2)	May 12, 2003
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320	-	The Art of Ninja Alibi	May 19, 2003
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321	-	The Vanished Kidnapper's Getaway Car (Part 1)	May 26, 2003
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322	-	The Vanished Kidnapper's Getaway Car (Part 2)	June 2, 2003
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323	-	Hattori Heiji's Desperate Situation! (Part 1)	June 9, 2003
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	-	Hattori Heiji's Desperate Situation! (Part 2)	June 16, 2003
Conan managed to send a hidden message back to Heiji. Heiji claimed to solve the puzzle and left with his captor to unlock the safebox 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 Among The Flames: The Incident	June 23, 2003
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 Among The Flames: The Investigation	June 30, 2003
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 Among The Flames: The Resolution	July 7, 2003
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	-	Mystery of the Birthday Wine	July 14, 2003
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	-	Friendship Can't Be Bought With Money (Part 1)	July 28, 2003
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	-	Friendship Can't Be Bought With Money (Part 2)	August 4, 2003
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
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.
332	-	The Suspicious Spicy Curry (Part 2)	August 18, 2003
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.
333	-	Alike Princesses (Part 1)	August 25, 2003
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 Shin'ichi'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	-	Alike Princesses (Part 2)	September 1, 2003
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 Touto Film Making Centre (Part 1)	September 8, 2003
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 Touto Film Making Centre (Part 2)	September 15, 2003
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 Facts of the Accidental Fall	October 13, 2003
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	-	Four Porsches (Part 1)	October 20, 2003
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	-	Four Porsches (Part 2)	October 27, 2003
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	-	The Secret Hidden in the Bathroom (Part 1)	November 3, 2003
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	-	The Secret Hidden in the Bathroom (Part 2)	November 10, 2003
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	-	Bride of Huis Ten Bosch (1 hour special)	November 17, 2003
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
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
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; Two Mysteries of the Night of the Full Moon (2.5 Hour Special)	January 5, 2004
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 Buttocks' Mark! (Part 1)	January 12, 2004
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347	-	Find the Buttocks' Mark! (Part 2)	January 19, 2004
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348	-	Love, a Ghost, and a Wordly Inheritance (Part 1)	January 26, 2004
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349	-	Love, a Ghost, and a Wordly Inheritance (Part 2)	February 2, 2004
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350	-	The Forgotten Cell Phone (Part 1)	February 9, 2004
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351	-	The Forgotten Cell Phone (Part 2)	February 16, 2004
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352	-	The Fishing Tournament Tragedy (Part 1)	February 23, 2004
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353	-	The Fishing Tournament Tragedy (Part 2)	February 23, 2004
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See also

• Anime