Season 21 - Episodes 646 to 680
| jap# | int# | title | released | wiki |
|---|---|---|---|---|
| 646 | 697 | Deduction Showdown at the Haunted Hotel (Part 1) | 18/02/12 |  |
| 647 | 698 | Deduction Showdown at the Haunted Hotel (Part 2) | 25/02/12 | |
| 648 | 699 | The Case of the Besieged Detective Agency (Outbreak) | 03/03/12 | |
| 649 | 700 | The Case of the Besieged Detective Agency (Sniping) | 10/03/12 | |
| 650 | 701 | The Case of the Besieged Detective Agency (Release) | 17/03/12 | |
| 651 | 702-703 | Conan vs. Heiji, Deduction Battle Between the Detectives of the East and West (1 Hour Special) | 24/03/12 | |
| 652 | 704 | The Design of Poison and Mirage (EYE) | 21/04/12 | |
| 653 | 705 | The Design of Poison and Mirage (S) | 28/04/12 | |
| 654 | 706 | The Design of Poison and Mirage (Poison) | 05/05/12 | |
| 655 | 707 | The Design of Poison and Mirage (Illusion) | 12/05/12 | |
| 656 | 708 | The Professor's Video Site (Part 1) | 19/05/12 | |
| 657 | 709 | The Professor's Video Site (Part 2) | 26/05/12 | |
| 658 | 710 | The Hot Chocolate Trap | 02/06/12 | |
| 659 | 711 | Co-Investigating with a First Love (Part 1) | 09/06/12 | |
| 660 | 712 | Co-Investigating with a First Love (Part 2) | 16/06/12 | |
| 661 | 713 | Kogoro-san is a Good Man (Part 1) | 23/06/12 | |
| 662 | 714 | Kogoro-san is a Good Man (Part 2) | 30/06/12 | |
| 663 | 715 | Chase the Miyama Stag Beetle | 07/07/12 | |
| 664 | 716 | The Great Dog Coeur's Triumph 2 | 14/07/12 | |
| 665 | 717 | The Suspicious Initial K | 21/07/12 | |
| 666 | 718 | The Rainy Night Menace | 28/07/12 | |
| 667 | 719 | Wedding Eve (Part 1) | 01/09/12 | |
| 668 | 720 | Wedding Eve (Part 2) | 08/09/12 | |
| 669 | 721 | The Dark Tower's Hidden Treasure (Part 1) | 15/09/12 | |
| 670 | 722 | The Dark Tower's Hidden Treasure (Part 2) | 22/09/12 | |
| 671 | 723 | Detectives' Nocturne (The Case) | 06/10/12 | |
| 672 | 724 | Detectives' Nocturne (Kidnapping) | 13/10/12 | |
| 673 | 725 | Detectives' Nocturne (Deduction) | 20/10/12 | |
| 674 | 726 | Detectives' Nocturne (Bourbon) | 27/10/12 | |
| 675 | 727 | Won't Forgive Even One Millimeter (Part 1) | 10/11/12 | |
| 676 | 728 | Won't Forgive Even One Millimeter (Part 2) | 17/11/12 | |
| 677 | 729 | The Footprintless Beach | 24/11/12 | |
| 678 | 730 | Nagasaki Mystery Theatre (End of the Edo) | 01/12/12 | |
| 679 | 731 | Nagasaki Mystery Theatre (Modern Time) | 08/12/12 | |
| 680 | 732 | Cactus Capriccio | 15/12/12 | |
