Xiaolin Showdown Episode 21 - The Sands of Time Episode Title:The Sands of Time.Episode Description:The Xiaolin warriors get a warning from Omi's future self to get the Sands of Time, but when Jack Spicer gets it first, he collects all the most evil people from the past and himself from the future. He uses his future self's knowledge of the locations of the Shen Gong Wu to beat the Xiaolin before they can get to them. When the Ruby of Ramses reveals itself, the Xiaolin must defeat Jack Spicer and his future self.