What’s coming to The CW the week of October 17? First there’s three season premieres — JANE THE VIRGIN, CRAZY EX-GIRLFRIEND and THE VAMPIRE DIARIES. Over on SUPERGIRL Kara will meet her new boss, Earth-2′s Wells and Jesse return on THE FLASH, a WWE star makes an appearance on ARROW and more.

Monday, October 17

SUPERGIRL 2.02 “The Last Children of Krypton”: CADMUS attacks National City with a kryptonite powered villain who ends up seriously hurting Supergirl (Melissa Benoist). Superman (guest star Tyler Hoechlin) blames Hank (David Harewood) because the kryptonite was stolen from the DEO. Meanwhile, Kara’s first day at her new job doesn’t go as planned after she meets her new boss, Snapper Carr (guest star Ian Gomez). Glen Winter directed the episode written by Robert Rovner & Caitlin Parrish.

JANE THE VIRGIN 3.01 “Chapter Forty-Five”: Jane (Gina Rodriguez) discovers that Michael (Brett Dier) was shot and finds herself having to make difficult choices. With Rafael (Justin Baldoni) focused on keeping Mateo safe, Anezka (Yael Grobglas), who is pretending to be Petra (Yael Grobglas), “helps” the cops with their investigation. However, it isn’t long before everyone starts to notice that “Petra” is acting odd. Meanwhile, Rogelio (Jaime Camil) is trying to keep everything out of the press for Jane, but in order to do so finds himself in an awkward position and asks for Xo’s (Andrea Navedo) help. Ivonne Coll also stars. Gina Lamar directed the episode written by Jennie Snyder Urman.

Tuesday, October 18

THE FLASH 3.03 “Magenta”: Barry (Grant Gustin) and Team Flash are thrilled to reunite with Earth-2 Wells (Tom Cavanagh) and Jesse (guest star Violett Beane). Wells confides to Barry and Caitlin (Danielle Panabaker) that Jesse has all the powers of a speedster and has been saving people on his Earth. He is concerned about her safety and wants them to talk her out of using her powers. Meanwhile, Magenta, (guest star Joey King) a new meta who can control metal, terrorizes the city. Armen V. Kevorkian directed the episode written by Judalina Neira & David Kob.

Wednesday, October 19

ARROW 5.03 “A Matter of Trust”: Now that Oliver (Stephen Amell) has his new team, they are ready to hit the streets but Oliver doesn’t feel they are ready. Headstrong Wild Dog (guest star Rick Gonzalez) defies the Green Arrow’s orders and sets out on his own after a new drug dealer, Garret Runnels (guest star Cody Rhodes), who is terrorizing Star City. Runnels proves more powerful than Wild Dog and it is up to the Green Arrow to go head to head with Runnels to save his teammate. Gregory Smith directed the episode written by Ben Sokolowski & Emilio Ortega Aldrich.

FREQUENCY 1.03 “The Near Far Problem”: When Raimy (Peyton List) uncovers evidence in the Thomas Goff (guest star Michael Charles Roman “Grace and Frankie”) case, she relays this information to Frank (Riley Smith) over the ham radio, which prompts him to take matters into his own hands while ignoring a strong warning from Satch (Mekhi Phifer). Meanwhile, Gordo (Lenny Jacobson) talks Raimy into going out for a drink where she has an interesting encounter with Daniel (Daniel Bonjour), who still considers her a complete stranger and possible stalker. Lastly, Raimy struggles to adapt to life without Julie (Devin Kelley), and Frank tries to adapt to life with her. Anthony Ruivivar also stars. Nina Lopez-Corrado directed the episode written by Nancy Won.

Thursday, October 20

DC’S LEGENDS OF TOMORROW 2.02 “The Justice Society of America”: The Legends travel to Nazi-occupied Paris, but find themselves surrounded by the Justice Society of America (AKA JSA.) The Legends discover a time aberration that threatens the JSA, but the JSA wants nothing to do with them or their help. Nevertheless, the Legends force their way into the JSA’s mission to intercept and seize a mysterious package. Nate (Nick Zano) is desperate to prove that he should be part of the team, but he has a secret that he shares with his grandfather Commander Steel (Matthew MacCaull) that might make it difficult. Ray (Brandon Routh) is so focused on impressing the JSA, he puts himself and Vixen (Maisie Richardson-Sellers) in danger. Meanwhile, Stein (Victor Garber) has stepped in as the leader with Rip (Arthur Darvill) gone, but when decisions aren’t being made Sara (Caity Lotz) seems to be the one calling the shots. Dominic Purcell and Franz Drameh also star. Michael Grossman directed the episode written by Chris Fedak & Sarah Nicole Jones.

SUPERNATURAL 12.02 “Mamma Mia”: Dean (Jensen Ackles), Castiel (Misha Collins) and Mary (guest star Samantha Smith) have a lead on Sam (Jared Padalecki) and set out to rescue him. Dean is uncomfortable with putting Mary in danger but she insists on going along. Meanwhile, Crowley (Mark A. Sheppard) is tipped off that Lucifer has taken over the body of rock star Vince Vicente (guest star Rick Springfield). Thomas J. Wright directed the episode written by Brad Buckner & Eugenie Ross-Leming.

Friday, October 21

THE VAMPIRE DIARIES 8.01 “Hello, Brother”: Months after Damon (Ian Somerhalder) and Enzo (Michael Malarkey) mysteriously vanished from the Armory vault, Stefan (Paul Wesley) tirelessly pushes forward with their search, while Bonnie (Kat Graham) struggles holding onto hope that they will be found. Meanwhile, a dangerous encounter with an unexpected visitor leaves Caroline (Candice King) and Alaric (Matt Davis) fearing that someone – or something – may be targeting their family. Finally, after following some mysterious clues, Stefan realizes that whatever has a hold of his brother may have a more damaging grip over him than he could have ever imagined. Michael Allowitz directed the episode written by Julie Plec & Kevin Williamson.

CRAZY EX-GIRLFRIEND 2.01 “Where is Josh’s Friend”: Rebecca (Rachel Bloom) is convinced Josh (Vincent Rodriguez III) is in love with her, while Greg (Santino Fontana) is nowhere to be found. Paula (Donna Lynne Champlin) is coming to terms with what drove her obsession with Rebecca’s love life, while Darryl (Pete Gardner) and White Josh (guest star David Hull) try to navigate their new relationship. Vella Lovell and Gabrielle Ruiz also star. Aline Brosh McKenna, Rachel Bloom and Marc Webb wrote the episode, directed by Marc Webb.

For all the latest TV news and reviews