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Mark Mardon, having survived his apparent death during the black-matter explosion, returns seeking revenge on Joe for the death of his brother Clyde... and has the same weather-manipulation powers as his deceased sibling.
First Air Date : Oct 07, 2014
Last Air date : May 24, 2023
Episode : 184 Episode
Season : 9 Season
Runtime: 44 minutes
Studio: The CW
Country: United States of America