Season
Season 6 Episode
- Season 5 Centuries-old Japanese Businesses: Crisis Averted by Techniques
- Season 5 Through the Kitchen Window: First Bites, Big Smiles
- Season 5 A Treasured Creation: Resonance for Charcoal
- Season 5 A Treasured Creation: Paper from the Wild
- Season 5 Centuries-old Japanese Businesses: Timeless Crisis Management
- Season 5 Centuries-old Japanese Businesses: Finding New Within the Old
- Season 5 Ground Detective Simon Wallis: File #4 "The Case of the Sake"
- Season 5 Analogue Nostalgia: Cassette Tapes
- Season 5 A Treasured Creation: The Master Weavers of Amami
- Season 5 A Treasured Creation: Satsuma White Ware
- Season 5 NINJA TRUTH Episode 17: Iga, Home of the Ninja
- Season 5 NINJA TRUTH Episode 18: The Ninja Art of Escape
- Season 5 Analogue Nostalgia: Disposable Cameras
- Season 5 Fishing Crazy: Pursuing the Never-ending Path
- Season 5 A Treasured Creation: Nature-Made Amber Vinegar
- Season 5 NINJA TRUTH Episode 19: The Bansenshukai
- Season 5 NINJA TRUTH Episode 20: Ninja Tools of Clay and Stone
- Season 5 Fishing Crazy: Play Ball with Love and Deception
- Season 5 Ground Detective Simon Wallis: File #5 "The Case of the Wasabi"
- Season 5 Through the Kitchen Window: The Wasabi Brothers - Finding the Spice of Life
- Season 5 On the Wings: #01 New Ishigaki Airport
- Season 5 NINJA TRUTH Episode 21: The Koka Ninja - Their Light and Shadow
- Season 5 NINJA TRUTH Episode 22: Flying Ninja
- Season 5 Through the Kitchen Window: Live Eat Cook Simple
- Season 5 Fishing Crazy: Treasure Hunters in Tokyo Bay
- Season 5 Through the Kitchen Window: Finding Happiness in Hayama
- Season 5 On the Wings: #02 New Chitose Airport
- Season 5 Ground Detective Simon Wallis: File #6 “The Case of the Oyster”
- Season 5 Tiny Houses, Cozy Homes: The Hilltop Challenge
- Season 5 Tiny Houses, Cozy Homes: A Space of Visual Diversity
15 Minutes - Season 5 Episode 17 NINJA TRUTH Episode 20: Ninja Tools of Clay and Stone
6.50 15 minutes Ninja tools of clay and stone were unearthed at sixteenth-century archaeological sites. They were clay Makibishi and stone Tsubute. However, iron-working techniques were already well established by this time. So why did the ninja use these materials? Iwata Akihiro from Saitama Prefectural Ranzan Historical Museum believes the ninja used them as a last resort. In this episode, we explore how these ninja tools came about and recreate clay Makibishi to see if they'll stand up to the test.
