Series 4 Episode 10
As Jack goes through fall, winter, spring and summer, he must battle the perils that each season brings
Series 4 Episode 1
XL: Jack vs. the Ninja: Aku sends a ninja to destroy Jack who is busily helping a port town in distress
Series 4 Episode 1
Series 4 Episode 2
XLI: Robo-Samurai vs Mondo-Bot: Jack finds a village that thinks he is their Chosen One meant to embody the Robo-Samurai
Series 4 Episode 2
Series 4 Episode 3
XLII: Samurai vs Samurai: Jack is approached by a Samurai punk who wants to battle to prove he is the best
Series 4 Episode 3
Series 4 Episode 4
XLIII: The Aku Infection: When Aku catches a cold and sneezes on Jack, Jack becomes infected with Aku's badness
Series 4 Episode 4
Series 4 Episode 5
XLIV: The Princess and the Bounty Hunters: When Aku raises the bounty on Jack, the best hunters in the world gather to capture him
Series 4 Episode 5
Series 4 Episode 6
XLV: Scotsman Saves Jack, Part 1: Jack has lost all memory of who he is and it's up to the Scotsman to save the samurai
Series 4 Episode 6
Series 4 Episode 7
XLVI: Scotsman Saves Jack, Part 2: Jack has lost all memory of who he is and it's up to the Scotsman to save the samurai
Series 4 Episode 7
Series 4 Episode 8
XLVII: Jack and the Flying Prince and Princess: Jack helps save a Prince and Princess whose ship has been shot down to Earth by Aku
Series 4 Episode 8
Series 4 Episode 9
XLVIII: Jack vs Aku: Tired of all the bounty hunters and robots failing, Aku fights Jack, mano y mano
Series 4 Episode 9
Series 4 Episode 10
XLIX: The Four Seasons of Death: Jack must battle the perils that each season brings
Series 4 Episode 10
Series 4 Episode 11
L: Tale of X-49: Aku forces an old, ace robot assassin out of retirement to eliminate Jack
Series 4 Episode 11
Series 4 Episode 12
LI: Young Jack in Africa: Young Jack is brought to Africa for part of his training, but his tribe is abducted
Series 4 Episode 12
Series 4 Episode 13
LII: Jack and the Baby: Jack finds a baby and tries to return the boy to his mother
Series 4 Episode 13