In We Can Be Heroes, 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.
Series: Supergirl Season 2 Episode 10
Airdate: 30 January 2017 at 8.00pm on CW