Samurai Jack, Season 4

Episode XL (Jack vs. the Ninja) Aku sends a Ninja to destroy Jack who is busily helping a port town in distress.

Episode XLI (Robo-Samurai vs. Mondo-bot) Jack enters a village to discover that he is their Chosen One meant to embody the Robo-Samurai and destroy the Mondo-bot that has come to destroy them.

Episode XLII (Samurai vs. Samurai) Jack is approached by a cool Samurai-punk who wants to battle with Jack in order to prove that he is the best.

Episode XLIII (The Aku Infection) When Aku catches a cold and sneezes on Jack, Jack becomes infected with Aku's badness which begins to take over his entire body.

Episode XLIV (The Princess and the Bounty Hunters) When Aku raises the bounty on Jack, the best bounty hunters in the world gather to capture him.

Episode XLV (The Scotsman Saves Jack 1) Jack has lost all memory of who he is and it's up to the Scotsman to put the pieces of the puzzle together to save the samurai.

Episode XLVI (The Scotsman Saves Jack 2) Jack has lost all memory of who he is and it's up to the Scotsman to put the pieces of the puzzle together to save the samurai.

Episode 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.

Episode XLVIII (Jack vs. Aku) Tired of all the bounty hunters and robots failing, Aku fights Jack, mano y mano.

Episode XLIX (The Four Seasons of Death) As Jack goes through fall, winter, spring and summer, he must battle the perils that each season brings.

Episode L (Tale of X49) Aku forces an old, ace robot assassin out of retirement to eliminate the ultimate mark - Jack.

Episode LI (Young Jack in Africa) Young Jack is brought to Africa for part of his training, but when his tribe is abducted, he must learn how to use their unique sword-like weapon - and fast!

Episode LII (Jack and the Baby) Jack finds a baby and the two travel together as Jack tries to return the boy to his mother.