CW Synopses February 5-8

The CW has released episode descriptions for their shows airing three weeks from now.

Supergirl 3x13 "Both Sides Now"

THE DEO CAPTURES ANOTHER WORLDKILLER – The DEO captures a second Worldkiller, Purity (guest star Krys Marshall). Supergirl (Melissa Benoist) and Alex (Chyler Leigh) use very different methods of interrogation with Purity in the hopes of finding out how to defeat Reign (Odette Annable). However, Purity escapes and attacks the city’s subway tunnels. Meanwhile, J’onn (David Harewood), Winn (Jeremy Jordan) and Mon-El (Christopher Wood) band together to fix the Legion ship. Jesse Warn directed the episode written by Jessica Queller & Paula Yoo (#313). Original airdate 2/5/2018.

The Flash 4x13 "True Colors"

AMUNET MAKES A BIG PLAY — After hearing that Amunet (guest star Katee Sackhoff) has struck a deal to buy all of the metahumans in Iron Heights, Barry (Grant Gustin) must decide if he should expose his powers in order to save his cellmates. After a visit from an old friend, Ralph (guest star Hartley Sawyer) is reminded of his shady past and wonders if he’s really a changed man. Tara Nicole Weyr directed the episode written by Jonathan Butler & Gabriel Garza (#413). Original airdate 2/6/2018.

Black Lightning 1x04 "Black Jesus"

BACK IN TOWN – Black Lightning (Cress Williams) is recruited to rally against The 100 gang. Anissa (Nafessa Williams) investigates the new drug hitting the streets. Meanwhile, familiar faces begin to reappear. Christine Adams, James Remar, Damon Gupton III and Marvin Jones also star. The episode was written by Pat Charles and directed by Michael Schultz (#104). Original airdate 2/6/2018.

Supernatural 13x13 "Devil's Bargain"

DANNEEL ACKLES GUEST STARS – Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) search for Lucifer (Mark Pellegrino) who, meanwhile, strikes an unlikely deal with a local faith healer named Sister Jo (guest star Danneel Ackles). Asmodeus (guest star Jeffrey Vincent Parise) inches closer to finding Jack (Alexander Calvert). Eduardo Sanchez directed the episode written by Eugenie Ross-Leming & Brad Buckner (#1313). Original airdate 2/8/2018.

Arrow 6x13 "The Devil's Greatest Trick"

CAYDEN JAMES LAUNCHES A FULL OUT ATTACK — Cayden James (guest star Michael Emerson) discovers a secret about the Green Arrow (Stephen Amell) that pushes him over the edge. Knowing everyone and everything he loves is in danger, Oliver must decide if he can do this alone or if he needs to turn to his old teammates for help. William (guest star Jack Moore) starts to demand more of Oliver’s time. JJ Makaro directed the episode written by Sarah Tarkoff & Emilio Ortega Aldrich (#613). Original airdate 2/8/2018.