Episode 1

A ronin, a samurai, and ninja randomly cross paths on their travels and get wrapped up in a devious scheme involving a Japanese bath house.

Episode 2

While continuing on their separate journeys, the Lethal Three run into each other again along with a woman they previously helped. There is something suspicious going on involving a local lord though. Will the ronin, samurai, and ninja get involved to help?

Episode 3

Will a case of mistaken identity lead to Sengoku missing an important interview? Tono-sama has a secret plan to help.

Episode 4

While relaxing on their journey, the travelers get caught up in a battle of heirs after a local lord dies.

Episode 5

People are attempting to assassinate a noble under the protection of the Shogun and the Lethal Three get pulled into the mess...

Episode 6

How will Tako, Lord, Sengoku, and Okei chan deal with inspectors who ban extravagance and enforce a simple life on everyone?

Episode 7

Tako meets a beautiful girl in jail. When they get out, she is attacked by a group of men. Tako and Lord come to her aid, but now must discover why those men were after her.

Episode 8

Tako meets a beautiful girl in jail. When they get out, she is attacked by a group of men. Tako and Lord come to her aid, but now must discover why those men were after her.

Episode 9

Tako is robbed, Lord doesn't have enough money to pay for the hotel he is staying in, and Sengoku gets stuck assisting a cranky old man. Can the day get any worse?

Episode 10

When the Kumazo Gang starts shaking down businesses, the Lethal Three can't help but take action along their journey.

Episode 11

A case of mistaken identity leads to Tono-sama being treated like a VIP and the rest of everyone being scorned.

Episode 12

Okei finds Sengoku unconscious and with a foggy memory. What does it have to do with an unfortunate girl, who was kidnapped?

Episode 13

When Sengoku and the others arrive in a town based around prostitution, they are faced with a dilemma about the women who want to escape. The Tengu Bandits are also stirring up trouble.

Episode 14

"Tono-sama" Heishiro Yasaka (Hideki Takahashi), "Sengoku" Shinnosuke Kuji (Koji Yakusho), and "Tako" Jinnai Tsubakuro (Shunputei Koasa) all have their reasons for traveling to Edo.

Episode 15

Okei meets Tako in a village haunted be a demon and Tono-sama and Sengoku are recruited to become security enforcers.

Episode 16

A woman beseeches a man to carry out the revenge he was ordered to do, but a new woman in his life refuses to let him go back to his old ways. Our group of travelers get pulled into the affair during their journeys.

Episode 17

After dealing with a gang of local bullies, Sengoku is asked to help a desperate lady, whose husband tried to stop a corrupt mining operation.

Episode 18

A young nobleman is seeking a suitable retainer and sparring partner. He has an open competition between the Ronin for the honor. But something is not quite right.

Episode 19

When Sengoku tries to rescue a young hostage, three "big shots" show up and interfere to save the day. But are they friend or foe?

Episode 20

A Ronin, a samurai, and ninja randomly cross paths on their travels and get wrapped up in a devious scheme involving a Japanese bath house.

Episode 21

Through a series of manipulations and deceit, an evil mastermind causes a rift between the three for the extended season finale.