NINJA TRUTH

Ninja Yashiki

15 min

The ninja were often given the important mission of infiltrating enemy territory and bringing back key information. Meanwhile, their own residences were cleverly rigged to thwart intruders and hide the information they'd acquired. In this episode, we'll examine the secrets of their residences, including trap doors, lookout posts, sword compartments, and hanging ladders, using action-packed reenactments. We'll also examine the psychological effect of these residences.

Ninja Fire Arts

15 min

The ninja are said to have been proficient in the use of gunpowder long before guns were brought to Japan, and to have invented over 230 uses for it. In this episode, we'll introduce the toribikata, a weapon similar to a flamethrower that was used to fend off several attackers at once, and the hyakuraijyu, which created chaos by emitting a noise similar to a volley of gunshots. We'll also recreate the grenade-like hourokuhiya to determine its strength, and the daikokuhiya, a weapon frequently mentioned in the ninja training text Bansenshukai, to learn about how it was actually used.

Concealed Weapons and Hyorogan

15 min

The ninja used various tools and weapons on their secret missions. To protect themselves in dangerous situations, they used concealed weapons. Portable and hidden from view, some were even disguised as ordinary items. In this episode, we'll feature concealed weapons including the amigasa, kakute, shikomi-tessen, and how they were used. We'll also join a ninja expert and recreate hyorogan, the ultimate ninja ration, to learn the secrets behind its ingredients.

In Search of the Kunoichi, the Female Ninja

15 min

Before modern times, the ninja worked secretly in the shadows, and a particularly shadowy figure is the female ninja or Kunoichi. While often portrayed as female spies, we're left with only hints and speculations about them. Based on passages from the "Bansenshukai," perhaps the most famous ninja manual, we investigate the history, mode of operation, and psychological tactics of the Kunoichi. Our search takes us to Tomi, a city in Nagano Prefecture where a mysterious female group once resided.

Extraordinary Ninja Tools: Kunai and Ikibukuro

15 min

The ninja employed a wide range of tools to accomplish their missions. In this episode, we introduce the kunai and examine what it was made of and how it was used. With the help of a leading ninja researcher, we also recreate and test the ikibukuro, a previously unknown tool that is said to have enabled the ninja to perform tasks underwater.

Shinobi Rokugu: The Six Essential Tools of the Ninja

15 min

Like all famous movie spies, the ninja had a wide array of spy tools at their disposal, and the shinobi rokugu were six tools that were considered essential for any mission. These include the yatate, inro, uchitake, sanjakutenugui, amigasa and kaginawa. We'll examine the purpose of each tool using action-packed reenactments. We'll also scientifically analyze how to master the kaginawa.

Poison and Medicine: The Ninja's Double-Sided Coin

15 min

Well-versed in astronomy, biology and other fields of natural science, the ninja used their knowledge of botany to create both poison and medicine. Poison's portability and efficacy made it an ideal weapon, and we'll use reenactments to examine how the ninja wielded it. We'll also visit a company in Koka that continues production of a medicine passed down by the ninja.

Innin and Yonin: The Yin and Yang of the Ninja

15 min

The ninja had two modes of operation: Innin and Yonin. Innin covered assassinations, sabotage and other covert operations requiring stealth, while Yonin covered operations performed in the open that required cunning. We'll examine the two using reenactments and also reconstruct a "saotokikigane" to determine the truth about this obscure listening device.

Physical Abilities of the Ninja

15 min

Jumping down from 15-meter heights. Running 100 kilometers in a day. These are just some of the feats that the ninja were said to be capable of. And if these are true, how did they acquire their physical strength, agility and mental fortitude? We'll meet with the last true ninja to learn about their training methods, and analyze a traditional running style that could make a comeback.