Title: Holby City (series 17)
Content:  and patients. ; LineColor      = FFFF19 EpisodeNumber  = 774 ; EpisodeNumber2 = 39 ; Title          = Beneath a Mask ; RTitle         = ; DirectedBy     = Louise Hooper ; WrittenBy      = Johanne McAndrew and Elliot Hope ; OriginalAirDate = July 7, 2015 ; Viewers        = 4.33 ; ShortSummary   = After losing his home, Fletch and his children are forced to sleep in the hospital basement. Realising that he has reached breaking point, Fletch agrees to help Clifford with his plan to steal pharmaceutical drugs. Following another panic attack, Arthur takes medication from the drugs trolley. On Darwin, Elliot worries about Oliver 
Title: Holby City (series 17)
Content:  whether the cyst is cancerous or not. Fletch tries to give Evie a good birthday despite his financial troubles. Meanwhile, Serena and Angus's romance comes to an end as they clash over a patient. ; LineColor      = FFFF19 EpisodeNumber  = 770 ; EpisodeNumber2 = 35 ; Title          = When a Man Loves a Woman ; RTitle         = ; DirectedBy     = Jamie Annett ; WrittenBy      = Nick Fisher ; OriginalAirDate = June 9, 2015 ; Viewers        = 4.26 ; ShortSummary   = Jesse tries to keep Adele away from his patient Talesha, leading her to suspect he has cheated on her. However, 
Title: Holby City (series 17)
Content:  fourth episode also saw guest appearances from Antony Costa and Georgia Moffett, as Matthew Pendleton and Briony Whitman, following their debuts in Holby City's sister show Casualty on 1 November 2014. The fifth episode featured a storyline that helped commemorate the centenary of the beginning of World War I. Nina Toussaint-White also made her first appearance as Sophia Verlaine, an agency nurse and Fleur's love interest. Actress Anita Dobson guest starred as a terminally ill patient named Betty in the tenth episode. Betty played "a pivotal role" in Zosia March's (Camilla Arfwedson) ongoing mental health storyline. This series saw the returns of Henrik Hanssen (Guy Henry), Oliver Valentine (James 
Title: Holby City (series 17)
Content:  = 2 ; Title          = Bounce Back ; RTitle         = ; DirectedBy     = Griff Rowland ; WrittenBy      = Nick Fisher ; OriginalAirDate = October 21, 2014 ; Viewers        = 4.40 ; ShortSummary   = Suffering from a lack of confidence, Raf struggles to deal with a difficult procedure, but support from Fletch helps him to bounce back. Guy and Jac clash over a patient when it becomes clear that they will both have to operate him in order to save his life. Dominic and Kyle's relationship comes to a halt when Dom suspects Kyle is cheating on him, but he soon realises 
Title: Holby City (series 17)
Content:  together. ; LineColor      = FFFF19 EpisodeNumber  = 748 ; EpisodeNumber2 = 13 ; Title          = Brand New You ; RTitle         = ; DirectedBy     = Nigel Douglas ; WrittenBy      = Rebecca Wojciechowski ; OriginalAirDate = January 6, 2015 ; Viewers        = 5.08 ; ShortSummary   = The Effanga family prepare themselves for Celia's wedding day. Mo and Adele bring Mr T and Jesse as their escorts. During the reception, Mo's mother reveals an explosive family secret. Zosia's friend Lisa is brought in with a head injury after jumping from a bridge, prompting Zosia's return to Keller. Guy finally accepts his daughter's mental 
Title: Holby City (series 17)
Content:  the grenade outside, where it explodes. On Darwin, Elliot, Oliver and Zosia are forced to continue surgery on a patient during the evacuation. When Zosia discovers Guy is a hostage, she runs into AAU followed closely by Oliver. After the explosion, they share their first kiss. Elsewhere, Hanssen forces Dom to treat a pessimistic patient, who is in the middle of a malpractice suit against his previous doctor. ; LineColor      = FFFF19 EpisodeNumber  = 784 ; EpisodeNumber2 = 49 ; Title          = Shockwaves ; RTitle         = ; DirectedBy     = Nigel Douglas ; WrittenBy      = Dana Fainaru ; OriginalAirDate = September 
Title: Holby City (series 17)
Content:  Sacha becomes desperate to prove Fleur wrong, but a surprise comes both their ways as they end up working on a case together. ; LineColor      = FFFF19 EpisodeNumber  = 739 ; EpisodeNumber2 = 4 ; Title          = Chaos in Her Wings ; RTitle         = ; DirectedBy     = Karl Neilson ; WrittenBy      = Kate Verghese ; OriginalAirDate = November 4, 2014 ; Viewers        = 4.49 ; ShortSummary   = Colette's loyalties are tested as Zosia spirals out of control straining her relationship with Guy, and after a day from hell Colette makes a decision regarding her future at Holby. Raf finds himself 
Title: Holby City (series 17)
Content:  EpisodeNumber2 = 48 ; Title          = An Eye for an Eye ; RTitle         = ; DirectedBy     = Nigel Douglas ; WrittenBy      = Nick Fisher ; OriginalAirDate = September 8, 2015 ; Viewers        = 4.37 ; ShortSummary   = Ron, the grieving husband of Milly, returns to the hospital with a box of photos to show Guy, and Fletch convinces him to come down to AAU. Ron forces Guy to hold a live grenade that he has just pulled the pin out of. The hospital is evacuated, but Fletch returns to talk Ron down. After Ron is shot by the police, Fletch 
Title: Holby City (series 16)
Content:  0000FF EpisodeNumber  = 716 ; EpisodeNumber2 = 33 ; Title          = Crush ; DirectedBy     = Hugh Quarshie ; WrittenBy      = Glen Laker ; OriginalAirDate = May 27, 2014 ; Viewers        = 3.73 ; ShortSummary   = Amy is determined to keep her night with Harry a secret from Raf, but later everything is turned upside down when she discovers that she is pregnant at last. Serena has to face some truths about her mother's conditions. In escaping Mo, Adele finds herself in Jac's firing line. ; LineColor      = 0000FF EpisodeNumber  = 717 ; EpisodeNumber2 = 34 ; Title          = Collateral ; 
Title: Holby City (series 17)
Content: EpisodeNumber  = 736 ; EpisodeNumber2 = 1 ; Title          = 'Not Waving But Drowning' ; RTitle         = ; DirectedBy     = Griff Rowland ; WrittenBy      = Julia Gilbert ; OriginalAirDate = October 14, 2014 ; Viewers        = 4.59 ; ShortSummary   = Raf returns to AAU following his suspension. Michael Spence also returns to the hospital, while new consultant Fleur Fanshawe makes her presence felt on Keller when she clashes with Sacha over a patient. Jac is confronted with her daughter and she struggles with her emotions when a patient gives birth on the ward. ; LineColor      = FFFF19 EpisodeNumber  = 737 ; 

Question: when will the flash season 4 episode 17 come out?
Answer: April 10, 2018.
April 17, 2018.