SUPERGIRL – Monday, July 31, 2017 at 8pm on CW50 – LIVEWIRE IS SET LOOSE UPON NATIONAL CITY — After Livewire (guest star Brit Morgan) seemingly breaks out of prison, Supergirl (Melissa Benoist) is intent on recapturing her. After training Mon-El (Chris Wood), Supergirl takes him with her when she sees Livewire attack the NCPD but things go awry when Mon-El puts Supergirl before the citizens of National City. Meanwhile, James (Mehcad Brooks) decides to come clean with Kara and M’Gann (guest star Sharon Leal), has a psychic attack and collapses into a coma. Rebecca Johnson directed the episode written by Caitlin Parrish & Katie Rose Rogers (#210). Original airdate 1/30/2017.