The Magician (1999)
And They Lived Happily Ever After (1x14)
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Black Jack's strategist Clockwise sends thieves to discover all the city's important secrets, in the guise of a matchmaking agency; Ace infiltrates the agency to spoil the plan, and discovers that all the spies are androids. When Black Jack abandons the plan, the androids' creator Dr. Cabaliye sends his remaining creations to kill Black Jack's daughter; but they are defeated by Ace and Cosmo.