Supergirl — “Welcome to Earth” — Image SPG203c_0174 — Pictured (L-R): David Harewood as Hank Henshaw, Melissa Benoist as Kara/Supergirl, Chyler Leigh as Alex Danvers, and Lynda Carter as President Olivia Marsdin — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

The CW have released an extended promo and two clips from tomorrow night’s episode of ‘Supergirl’ Season 2, titled “Welcome to Earth,” featuring the President (guest star Lynda Carter) and our first look at Miss Martian in human form, played by Sharon Leal.

Official Synopsis:

LYNDA CARTER (“WONDER WOMAN”) LANDS IN NATIONAL CITY AS PRESIDENT OLIVIA MARSDIN — 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’ Season 2, Episode 3 “Welcome to Earth” airs October 24th at 8 p.m on The CW.