"The Last Children of Krypton" is the 2nd episode of the second season of Supergirl. CADMUS attacks National City with a kryptonite powered villain who ends up seriously hurting Supergirl. Superman blames Hank because the Kryptonite was stolen from the D.E.O.. Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr. "The Last Children of Krypton" aired on October 17, 2016.
"Welcome to Earth" is the 3rd episode of the second season of Supergirl. An attack is made on the President as hot-button, alien vs. human rights issues heat up in National City. Supergirl and the D.E.O. are assigned to protect the President and bring in the responsible party. Alex teams up with Detective Maggie Sawyer to investigate the case while Kara searches for a recently escaped Mon-El, who she fears may be the alien behind the assault. "Welcome to Earth" will air on October 24, 2016.