Watch the preview for the next episode of Supergirl, “Welcome to Earth.”
An attack is made on the President (guest star Lynda Carter) as hot-button, alien vs. human rights issues heat up in National City. Supergirl (Melissa Benoist) and the DEO are assigned to protect the President and bring in the responsible party. Alex (Chyler Leigh) teams up with Detective Maggie Sawyer (Floriana Lima) to investigate the case while Kara searches for a recently escaped Mon-El (Chris Wood), who she fears may be the alien behind the assault. Rachel Talalay directed the episode written by Jessica Queller and Derek Simon (#203). Original airdate 10/24/2016
Supergirl airs Mondays at 8/7c on The CW also starring Melissa Benoist as Kara Zor-El, Chyler Leigh as Alex Danvers, Mehcad Brooks as James Olsen, Jeremy Jordan as Winn Schott, and David Harewood as Martian Mahunter.