MONDAY, MAY 16“To the Death” — (8:00-9:00 p.m. ET) (TV-14, DV) (HDTV)MARY MUST DEFEND HER THRONE — Mary (Adelaide Kane) realizes her need to return to Scotland is becoming increasingly imminent and that along with the help of Bash (Torrance Coombs), she must raise her own army to save her throne. Elizabeth (Rachel Skarsten) enlists Lola’s (Anna Popplewell) help to find out information about her mother, which backfires when Lola gets caught. Charlie Carrick, Megan Follows, Ben Geurens, Craig Parker, Rose Williams, Celina Sinden and Jonathan Keltz also star. Michael McGowan directed the episode written by Lily Sparks (#314). Original airdate 5/16/2016.“Chapter Forty-Four” — (9:00-10:00 p.m. ET) (Content Rating TBD) (HDTV)WEDDING BELLS – After moving up the wedding day, Jane (Gina Rodriguez) and Michael (Brett Dier) find all their carefully made plans thrown into chaos. To make matters worse, Jane is unhappy with her current graduate thesis, but changing it might put a wrinkle in her big day. Rafael (Justin Baldoni) still has feelings for Jane, but is torn about whether he should speak now or forever hold his peace. Petra (Yael Grobglas) has her own family drama when Anezka (Yael Grobglas) has a medical emergency and ends up in the hospital. Meanwhile, Rogelio (Jaime Camil) and Xo (Andrea Navedo) are finally coming to terms with the state of their relationship until Xo gets surprising news. Ivonne Coll also stars. Jann Turner directed the episode written by Paul Sciarrotta & Jennie Snyder Urman (#222). Original airdate 5/16/2016.TUESDAY, MAY 17“Invincible” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)KATIE CASSIDY GUEST STARS AS BLACK SIREN – After Zoom (guest star Teddy Sears) unleashes an army of Earth-2 meta-humans on Central City, Barry (Grant Gustin) is shaken when he sees their leader is the Black Canary’s Earth-2 doppelganger, the Black Siren (guest star Katie Cassidy). Meanwhile, Wally (Keiynan Lonsdale) takes to the streets to help The Flash stop the meta-humans, which worries Joe (Jesse L. Martin). Iris (Candice Patton) and Henry (guest star John Wesley Shipp) are concerned about Barry taking on Zoom. Jesse Warn directed the episode with story by Greg Berlanti & Andrew Kreisberg and teleplay by Brooke Roberts & David Kob (#222). Original airdate 5/17/2016.“Like a Sheep Among Wolves” — (9:00-10:00 p.m. ET) (TV-14, V) (HDTV)ROWING IN THE OPPOSITE DIRECTION — Tensions between Lex (David Gyasi) and Dr. Lommers (Claudia Black) reach a boiling point after they disagree over how to execute a much-needed food drop inside the cordon. With limited resources on his side, Jake’s (Chris Wood) attempt to control a desperate and hungry crowd leaves him rattled after a group of thugs show up and a stand-off ensues. Meanwhile, when the timeline of events leading up to the outbreak doesn’t add up, Katie (Kristen Gutoskie) sets out in search of the truth. Christina Moses and George Young also star. Janice Cookie directed the episode written by Jeff Stetson (#105). Original airdate 5/17/2016.WEDNESDAY, MAY 18“Lost in the Flood” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)OLIVER FIGHTS FOR THEA; DONNA SMOAK FACES OFF WITH NOAH KUTTLER – Following the shocking events in the previous episode, Oliver (Stephen Amell) and Diggle (David Ramsey) race to rescue Thea (Willa Holland), while Felicity (Emily Bett Rickards), Curtis (Echo Kellum) and Noah (guest star Tom Amandes) join together to stop Darhk (guest star Neal McDonough). Glen Winter directed the episode written by Brian Ford Sullivan & Oscar Balderrama (#422). Original airdate 5/18/2016.“We Happy Few” — (9:00-10:00 p.m. ET) (Content Rating TBD) (HDTV)THE FINAL COUNTDOWN – Sam (Jared Padalecki) and Dean (Jensen Ackles) face their biggest challenge yet. Rowena (Ruth Connell) makes her move. John Badham directed the episode written by Robert Berens (#1122). Original airdate 5/18/2016.THURSDAY, MAY 19“Legendary” — (8:00-9:00 p.m. ET) (Content Rating TBD) (HDTV)THE FINAL BATTLE – After the numerous sacrifices the team has made since the beginning of this ride, Rip (Arthur Darvill) decides that it’s time they each decide their own destiny and returns them to Central City a few months after they first left. Returned to their normal lives, each team member must individually decide if they are willing to sacrifice everything in order to save the world. Meanwhile, Sara (Caity Lotz) visits with her father (guest star Paul Blackthorne) who delivers some heartbreaking news about her sister. Dermott Downs directed the episode with story by Greg Berlanti & Chris Fedak and teleplay by Phil Klemmer & Marc Guggenheim (#116). Original airdate 5/19/2016.“Perverse Instantiation – Part Two” — (9:00-10:00 p.m. ET) (TV-14, V) (HDTV)PART TWO OF THE SEASON FINALE In the season’s epic and mind-bending conclusion, our heroes begin to face the reality of their tragic situation. Everyone prepares for a final showdown. Eliza Taylor, Paige Turco, Isaiah Washington, Henry Ian Cusick, Bob Morley, Marie Avgeropoulos, Lindsey Morgan, Devon Bostick, Christopher Larkin and Richard Harmon also star. Dean White directed the episode written by Jason Rothenberg (#316). Original airdate 5/19/2016.FRIDAY, MAY 20SEASON PREMIEREMASTERS OF ILLUSION“Techno Magic, Quick Change and a Guillotine” — (8:00-8:30 p.m. ET) (Content Rating TBD) (HDTV)A WEB OF DANGER — Hosted by Dean Cain, “Masters of Illusion” features amazing magic performed by cutting-edge illusionists, escape artists and performers displaying skills ranging from perplexing interactive mind magic to hilarious comedy routines — all in front of a studio audience. Magicians featured in this episode include Greg Frewin, Barry and Stuart, Jason Bishop, Michael Grandinetti, Jonathan Pendragon, David and Dania, Bill Cook and Les Arnold and Dazzle (#301). Original airdate 5/20/2016.MASTERS OF ILLUSION“A Magical Smorgasbord” — (8:30-9:00 p.m. ET) (Content Rating TBD) (HDTV)ILLUSIONS WITH CHARM — Hosted by Dean Cain, “Masters of Illusion” features amazing magic performed by cutting-edge illusionists, escape artists and performers displaying skills ranging from perplexing interactive mind magic to hilarious comedy routines — all in front of a studio audience. Magicians featured in this episode include Tommy Wind, Murray Sawchuck, Trigg Watson, Farrell Dillion, Jason Bird, Tom Burgoon and Jonathan Pendragon (#302). Original airdate 5/20/2016.“The Bloody Crown” — (9:00-10:00 p.m. ET) (Content Rating TBD) (HDTV)THE PROPHECY FULFILLED — After months of thwarting off dangerous threats and deadly attacks, the Mikaelson siblings finally come face to face with the one person that could lead to their ultimate demise. With the stakes higher than ever and the compound overrun by an army of his oldest sworn enemies, Klaus (Joseph Morgan) is put on trial for centuries of atrocities he’s committed. Meanwhile, Marcel (Charles Michael Davis), who has been spiraling out of control following an act of betrayal by those closest to him, is stunned by the unexpected arrival of someone from his past. Finally, Elijah (Daniel Gillies), Freya (Riley Voelkel) and Kol (guest star Nathaniel Buzolic) frantically search for a way to save their family before it’s too late. Phoebe Tonkin also stars. Matt Hastings directed the episode written by Beau DeMayo & Diane Ademu-John (#322). Original airdate 5/20/2016.