The Denebians are a humanoid race from the planet Deneb V, located in the Alpha Quadrant. Harry Mudd considered them to be a "struggling young civilization" from a "backward planet" when he sold them all rights to a Vulcan fuel synthesizer in 2267. The Denebians contacted the Vulcans and discovered the deal was a fraud, and Mudd was arrested. He was given the choice of several forms of capital punishment, but since none appealed to him he escaped.

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