Chyler Leigh Previews “Crisis on Earth-X“ | DC TV Crossover

Who does Alex Danvers interact with in this year’s DC TV crossover? What can we expect from Chyler Leigh’s involvement this year? Chyler Leigh discusses “Crisis on Earth-X“ on KryptonSite’s recent visit to the Supergirl sets in Vancouver. For more Supergirl and “Crisis on Earth-X“ coverage visit KryptonSite: