We Can Be Heroes

S2, E10: After Livewire (recurring guest star Brit Morgan) seemingly breaks out of prison, Supergirl is intent on recapturing her. She takes Mon-El with her when she sees Livewire attack the NCPD, but things go awry when he puts Supergirl before the citizens of National City. Meanwhile, James decides to come clean with Kara; and M’Gann has a psychic attack and collapses into a coma.