What’s coming up on The CW the week of March 21? Well, the Thursday and Friday night shows will be on hiatus, but THE FLASH, SUPERNATURAL, ARROW and iZOMBIE will all be returning with new episodes.

Monday, March 21

CRAZY EX-GIRLFRIEND 1.15 “Josh Has No Idea Where I Am!”: Rebecca (Rachel Bloom) gets stuck on a plane with her therapist (guest star Michael Hyatt), who takes her on a surprising journey. Meanwhile, in West Covina, Josh (Vincent Rodriguez III), Paula (Donna Lynne Champlin), Darryl (Pete Gardner) and even a reluctant Greg (Santino Fontana) come together to find Rebecca. Vella Lovell also stars. Steven Tsuchida directed the episode written by Aline Brosh McKenna and Rachel Bloom.

JANE THE VIRGIN 2.15 “Chapter Thirty-Seven”: Rafael (Justin Baldoni) and Petra (Yael Grobglas) are new parents but Petra is already back to work and appears to be not interested in motherhood. Xo (Andrea Navedo) has invited Alba’s (Ivonne Coll) old flame Pablo (guest star Marcelo Tubert) to visit. This does not sit well with Alba as she believes Pablo is cursed and will bring bad luck. Jane (Gina Rodriguez) is growing concerned that she can’t get in touch with her father, Rogelio (Jaime Camil), who is being held captive by Lola (guest star Ana De la Reguera). Brett Dier also stars. Melanie Mayron directed the episode written by Sarah Goldfinger.

Tuesday, March 22

THE FLASH 2.16 “Trajectory”: Deciding to blow off some steam, Barry (Grant Gustin) and the team head out for a night on the town only to encounter an unexpected speedster who is up to no good. Iris (Candice Patton) is challenged by an assignment from her new boss (guest star Tone Bell), and is surprised when friction turns to flirtation. Glen Winter directed the episode written by Lauren Certo and Lilah Vandenbergh.

iZOMBIE 2.15 “He Blinded Me…with Science”: While investigating the murder of a research scientist who was recently demoted at her job, Liv (Rose McIver) and Detective Babineaux (Malcolm Goodwin) are shocked to learn where she had been employed. Meanwhile, Blaine (David Anders) pays Ravi (Rahul Kohli) a visit at the morgue, and Liv discovers something new about Drake (guest star Greg Finley). Lastly, Vaughn du Clark (guest star Steven Weber) confronts Major (Robert Buckley). Dan Etheridge directed the episode written by John Enborn.

Wednesday, March 23

ARROW 4.16 “Broken Hearts”: A heartbroken Cupid (guest star Amy Gumenick) returns to Star City with one goal – to destroy anyone in love. The team learns she’s killing couples on their wedding day so Oliver (Stephen Amell) and Felicity (Emily Bett Rickards) decide to pose as bait. John Showalter directed the episode written by Rebecca Bellotto & Nolan Dunbar.

SUPERNATURAL 11.16 “Safe House”: A dangerous creature is accidentally released into an old house, attacking a mother and her child, leaving them both in a coma. Sam (Jared Padalecki) and Dean (Jensen Ackles) learn that Bobby (guest star Jim Beaver) and Rufus (guest star Steven Williams) once tracked the same entity so the Winchesters look to the past to come up with a plan to catch the monster before any one dies. Stefan Pleszczynski directed the episode written by Robbie Thompson.