It was shown live on the CBS network on February 3, 2013.
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there is no TM for ancient power.
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Ancient power in not a TM.
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In Slateport City (after you get the TM from the guy on that
route), in the market place, a merchant will sell you the TM Secret
Power and the TM Hidden Power.
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You cannot get the TM for Ancient Power in Pokemon Crystal.
Ancient Power has yet to be a TM in any of the Pokemon games.