CW Synopses April 15-18

The CW has released synopses for their programs airing in three weeks. Supergirl will be a rerun.

Legends of Tomorrow s4e11 "Seance and Sensibility"

LOVE IS ALL AROUND — When Mona (Ramona Young) discovers that her favorite author, Jane Austen (guest star Jenna Rosenow), might be at the epicenter of a magical alert, Mona, Sara (Caity Lotz), Charlie (Maisie Richardson-Sellers) and Zari (Tala Ashe) find themselves in 1809. With Nate (Nick Zano) still dealing with family issues, Constantine (Matt Ryan) and Rory (Dominic Purcell) perform a séance and receive a message from the other world that rocks Constantine to his core. Meanwhile, Ray (Brandon Routh) and Nora (Courtney Ford) are forced into close quarters. Alexandra La Roche directed the episode written by Grainne Godfree & Jackie Canino (#411).  Original airdate 4/15/2019.

Arrow s7e18 "Lost Canary" (moves to 9pm)

BIRDS OF PREY; CAITY LOTZ GUEST STARS — After being accused of murder and having her criminal past exposed, Laurel (Katie Cassidy) goes full Black Siren and teams up with an old criminal acquaintance, Shadow Thief (guest star Carmel Amit), to go on a crime spree around Star City. While Dinah (Juliana Harkavy) aims to bring Laurel in, Felicity (Emily Bett Rickards) refuses to give up on her friend and tries everything to get through to her, even summoning Sara Lance (guest star Caity Lotz) for help. However, Laurel rebuffs all her efforts, forcing the former friends to face off against each other. Kristin Windell directed the episode written by Jill Blankenship & Elisa Delson (#718). Original airdate 4/15/2019.

The Flash s5e18 "Godspeed"

DANIELLE PANABAKER DIRECTS — After discovering that Nora (Jessica Parker Kennedy) is working with Thawne (Tom Cavanagh), Barry (Grant Gustin) and Iris (Candice Patton) disagree about how to handle their daughter in the wake of this shocking news. Team Flash isn’t sure they can trust Nora, so they go through her journal to find out exactly how she came to work alongside their greatest nemesis. Danielle Panabaker directed the episode written by Judalina Neira & Kelly Wheeler (#518). Original airdate 4/16/2019.

Supernatural s14e19 "Jack in the Box"

A PILLAR OF SALT– Sam (Jared Padalecki), Dean (Jensen Ackles) and Castiel (Misha Collins) investigate a string of suspicious deaths that have a biblical element to them. Robert Singer directed the episode written by Eugenie Ross-Leming & Brad Buckner (#1419). Original airdate 4/18/2019.