Welcome to Earth
S02E03 - Airdate: 2016-10-24
Runtime: 60 min
Supergirl and the DEO are called on to protect the President when she comes to National City to sign her Alien Amnesty Act. However, a hostile alien threatens to kill the President and anyone who gets in its way. Meanwhile, Alex meets Maggie Sawyer, a detective with the NCPD's science division, and Snapper challenges James' authority.
Episode details and rating from TVmaze.