The CW have released the official synopsis and still for the upcoming third episode of ‘Supergirl’ Season 2, titled “Welcome to Earth,” which offers a first look at Lynda Carter as Madam President Olivia Marsdin and Floriana Lima as Detective Maggie Sawyer. Check it out!

Supergirl — “Welcome to Earth” — Image SPG203c_0028 — Pictured (L-R): Melissa Benoist as Kara/Supergirl, Chyler Leigh as Alex Danvers, Jeremy Jordan as Winn Schott, Lynda Carter as President Olivia Marsdin, and David Harewood as Hank Henshaw — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_BTS_0273 — Pictured: Behind the scenes with Melissa Benoist as Kara/Supergirl and guest Lynda Carter as President, Olivia Marsdin — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0074 — Pictured: Lynda Carter as President Olivia Marsdin — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

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

Supergirl — “Welcome to Earth” — Image SPG203c_0249 — Pictured: Lynda Carter as President Olivia Marsdin — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203a_0073 — Pictured: Melissa Benoist as Kara/Supergirl — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” Pictured: Chris Wood as Mon-El — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” Pictured (at left): Chris Wood as Mon-El — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0036 — Pictured: Melissa Benoist as Kara/Supergirl — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0125 — Pictured (L-R): Melissa Benoist as Kara/Supergirl and Chyler Leigh as Alex Danvers — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0160 — Pictured (L-R): Chyler Leigh as Alex Danvers and Floriana Lima as Maggie Sawyer — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0190 — Pictured (L-R): Chyler Leigh as Alex Danvers and Floriana Lima as Maggie Sawyer — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0202 — Pictured: Floriana Lima as Maggie Sawyer — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203b_0202 — Pictured (at right): Floriana Lima as Maggie Sawyer — Photo: Bettina Strauss/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0059 — Pictured (L-R): Melissa Benoist as Kara/Supergirl, Chyler Leigh as Alex Danvers, and Jeremy Jordan as Winn Schott — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0144 — Pictured (L-R): Melissa Benoist as Kara/Supergirl and Chyler Leigh as Alex Danvers — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0198 — Pictured (L-R): Melissa Benoist as Kara/Supergirl, David Harewood as Hank Henshaw, 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

Supergirl — “Welcome to Earth” — Image SPG203c_0235 — Pictured: David Harewood as Hank Henshaw — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0301 — Pictured (L-R): David Harewood as Hank Henshaw, Lynda Carter as President Olivia Marsdin, Melissa Benoist as Kara/Supergirl, — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0309 — Pictured: Lynda Carter as President Olivia Marsdin — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0312 — Pictured (L-R): David Harewood as Hank Henshaw, Lynda Carter as President Olivia Marsdin, Melissa Benoist as Kara/Supergirl, — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

Supergirl — “Welcome to Earth” — Image SPG203c_0402 — Pictured: Melissa Benoist as Kara/Supergirl — Photo: Diyah Pera/The CW — © 2016 The CW Network, LLC. All Rights Reserved

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.