Season 2 Episode 2
"The Last Children of Krypton"
How will Supergirl fight the ultimate weapon?
Supergirl is hurt by a kryptonite-powered villain sent by Cadmus to attack National City. Superman blames Hank since the kryptonite was stolen from the DEO. In the meantime, Kara's first day at her new job doesn't go as planned when she meets her new boss.