Jack and the Three Blind Archers
Jack and the Scotsman Part 2
Jack and the Ultra Robots
Samurai Versus Ninja
Robo-Samurai vs Mondo Bot
Special mentions:
Jack and the Scotsman
Jack vs Mad Jack
Jack and the Monks and the Ancient Master (especially for Marlo)
Jack and the Zombies (especially for Stewie)
Jack and the Three Gems
The Princess and the Bounty Hunters