15 Minutes - Season 4 Episode 12 NINJA TRUTH Episode 15: Ninja Communication
Since ninja were engaged in espionage, they had to gather information and accurately convey it without anyone knowing. Typical means of information transmission included smoke signals, a cipher using knots in a rope, and special methods of transporting secret messages. But in the second half of the episode, we'll look at their ultimate method of concealing information: invisible ink! Find out how they did this, and follow Chris as he makes his own secret message with ninja techniques.
First Air Date: Jan 28, 2018
Last Air date: Dec 30, 2023
Season: 6 Season
Episode: 137 Episode
Runtime: 15 minutes
IMDb: 6.50/10 by 2.00 users
Popularity: 42.09
Language: Japanese, English
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