Secret of the Singing Sword

Summary

Ace meets a mysterious young man, Deuce, who saves his life when Ophiuchus Sam attempts to rob an interdimentional train. But Deuce is not who he appears, and Ace learns the true origins of his sword.

Guest stars

• Khary Payton as Deuce (voice)
• Maurice LaMarche as Ophiuchus Sam / Ice Cream Vendor (voice)