Jack finds a swamp where a foul-tempered hermit answers his call. The wizard tells Jack of the titan Chronos and his powers over space and time, now locked within three pieces of armor set with gems.
Three trap-solving sequences follow - the helmet is hidden in a water trap, one gauntlet in a volcanic air trap, and the second gauntlet in a lens-dome. Jack manages to defeat all three traps and Aku uses the armor/gems to summon a time-space-monster tohug Jack.
Jack realized that it had been a trap all along and took one of the gems, causing the creature to fall apart, and then goes after Aku. Jack manages to slice and dice his way through anything Aku throws at him with surprising ease - Aku flees as a triumphant Jack speaking of how the future/past holds his victory.

Samurai Jack Season 3 Episodes...

• s03e01 - XXVII: Chicken Jack
• s03e02 - XXVIII: Jack and the Rave
• s03e03 - XXIX: The Good, the Bad, and the Beautiful
• s03e04 - XXX: Jack and the Zombies
• s03e05 - XXXI: Jack in Egypt
• s03e06 - XXXII: Jack and the Travelling Creatures
• s03e07 - XXXIII: Jack and the Creature
• s03e08 - XXXIV: Jack and the Swamp Monster
• s03e09 - XXXV: Jack and the Haunted House
• s03e10 - XXXVI: Jack, the Monks, and the Ancient Master's Son
• s03e11 - XXXVII: The Birth of Evil (1)
• s03e12 - XXXVIII: The Birth of Evil (2)
• s03e13 - XXXIX: Jack and the Labyrinth

Samurai Jack Show Summary

Made by Genndy Tartakovsky, this cartoon tells the story of a great warrior displaced to the distant future by the evil shape-shifting wizard Aku. The world has become a bleak place under the rule of Aku, segregated into fantastic tribes and ruled by Aku's evil robot warlords. Jack travels this foreign landscape in search of a time portal that can return him to his home time so he can 'undo the future that is Aku!'.