Season 1

50 episodes January 11, 1987

After receiving a challenge from the monster "Matenro", Hiroshi and five other elementary school students form a detective team called "Hadogumi". Who exactly is "Matenro"?

Episodes

1 The monster Matenro appears! Jan 11, 1987 No ratings 2 our secret base Jan 18, 1987 No ratings 3 A terrifying underground exploration Jan 25, 1987 No ratings 4 Mysterious monster mansion Feb 1, 1987 No ratings 5 Monster flying in the sky Feb 8, 1987 No ratings 6 Invisible Man Feb 15, 1987 No ratings 7 Matenro is my dad Feb 22, 1987 No ratings 8 Octopus and Matenro Mar 1, 1987 No ratings 9 Nemesis! Inspector Karikiri appears Mar 8, 1987 No ratings 10 Golden Manju Kannon Mar 15, 1987 No ratings 11 The secret of the time machine Mar 22, 1987 No ratings 12 A World Without Food Mar 29, 1987 No ratings 13 Matenro's great magic Apr 5, 1987 No ratings 14 Yokai Millennium Baba~ Apr 12, 1987 No ratings 15 Magician Ten-O Apr 19, 1987 No ratings 16 Sensei is very human Apr 26, 1987 No ratings 17 Dangerous cycling May 3, 1987 No ratings 18 Kindness thief May 10, 1987 No ratings 19 Angry Mask Appears!! May 17, 1987 No ratings 20 Angry mask counterattack May 24, 1987 No ratings 21 Matenro's Lullaby May 31, 1987 No ratings 22 Inspector Karikiri's Trap Jun 7, 1987 No ratings 23 War of Revenge Jun 14, 1987 No ratings 24 Date truce Jun 21, 1987 No ratings 25 Legend of Shirahone Swamp Jun 28, 1987 No ratings 26 Messenger from Space Jul 5, 1987 No ratings 27 The Girl in the Music Box Mansion Jul 12, 1987 No ratings 28 Ninja wannabe Jul 26, 1987 No ratings 29 Secret Card Mystery Aug 2, 1987 No ratings 30 Invitation from Matenro Aug 9, 1987 No ratings 31 Mystery! Witch of Chikurinji Temple Aug 16, 1987 No ratings 32 Burn! Mr. Ochiai Aug 23, 1987 No ratings 33 Farewell Summer Matenro Aug 30, 1987 No ratings 34 Flower Thief is Matenro Sep 6, 1987 No ratings 35 Water drinker Sep 13, 1987 No ratings 36 Matenro's treasure Sep 20, 1987 No ratings 37 Matenro's Labyrinth Zone Sep 27, 1987 No ratings 38 Romance Smells Sweet Oct 4, 1987 No ratings 39 Sorrowful Matenrokyo Oct 11, 1987 No ratings 40 Inspector Karakiri makes a decision! Oct 18, 1987 No ratings 41 Mom is a great detective!? Oct 25, 1987 No ratings 42 Yasuko's adventure Nov 1, 1987 No ratings 43 Matenro is a gourmet Nov 8, 1987 No ratings 44 Invited by Tanukibayashi Nov 15, 1987 No ratings 45 Lock up Mr. Ochiai Nov 22, 1987 No ratings 46 Have You Seen Courage? Nov 29, 1987 No ratings 47 Matenro's Temptation Dec 6, 1987 No ratings 48 Dr. Denenchofu's Ambition Dec 13, 1987 No ratings 49 Let's go to Matenro Kingdom Dec 20, 1987 No ratings 50 Farewell Matenro Dec 27, 1987 No ratings