The Fosters ( season 4 ) - wikipedia The Fosters ( season 4 ) The Fosters ( season 4 ) The Fosters season 4 poster Starring Teri Polo Sherri Saum Hayden Byerly David Lambert Maia Mitchell Danny Nucci Cierra Ramirez Noah Centineo Country of origin United States No. of episodes 20 Release Original network Freeform Original release June 20, 2016 ( 2016 - 06 - 20 ) -- April 11, 2017 ( 2017 - 04 - 11 ) Season chronology ← Previous Season 3 Next → Season 5 List of The Fosters episodes The fourth season of The Fosters premiered on June 20, 2016 and ended on April 11, 2017. The season consisted of 20 episodes and stars Teri Polo and Sherri Saum as Stef Foster and Lena Adams, an interracial lesbian couple, who foster a girl ( Maia Mitchell ) and her younger brother ( Hayden Byerly ) while also trying to juggle raising Latino twin teenagers, ( Cierra Ramirez and Noah Centineo ), and Stef 's biological son ( David Lambert ). In this season, Callie is determined to find out about a police case who convicted a teenager of murder but learns the dark secrets surrounding the case. Meanwhile, after adopting AJ, Mike struggles with fatherhood while dealing with his girlfriend, Ana. Also, Mariana struggles to let go of Nick after the incident at school. Contents 1 Cast 1.1 Main cast 1.2 Recurring cast 2 Episodes 3 References Cast Main cast Teri Polo as Stef Adams Foster Sherri Saum as Lena Adams Foster Noah Centineo as Jesus Adams Foster Hayden Byerly as Jude Adams Foster David Lambert as Brandon Foster Maia Mitchell as Callie Adams Foster Cierra Ramirez as Mariana Adams Foster Danny Nucci as Mike Foster Recurring cast Tom Williamson as AJ Hensdale Jordan Rodrigues as Mat Tan Elliot Fletcher as Aaron Baker Kalama Epstein as Noah Denyse Tontz as Cortney Strathmore Brandon Quinn as Gabriel Duncroft Louis Hunter as Nick Stratos Kerr Smith as Robert Quinn Alexandra Barreto as Ana Gutierrez Amanda Leighton as Emma Daffany Clark as Daphne Keene Annika Marks as Monte Porter Izabela Vidovic as Taylor Episodes See also : List of The Fosters episodes No. overall No. in season Title Directed by Written by Original air date U.S. viewers ( millions ) 63 `` Potential Energy '' Rob Morrow Bradley Bredeweg & Peter Paige June 20, 2016 ( 2016 - 06 - 20 ) 0.91 Anchor Beach is on lockdown when Mariana 's boyfriend, Nick, enters the school with a gun after witnessing her kissing her ex, Mat. Meanwhile, Callie goes through the aftermath of having told her moms about her and Brandon. 64 `` Safe '' Rob Morrow Joanna Johnson June 27, 2016 ( 2016 - 06 - 27 ) 1.05 The Adams Foster family is on high alert when Nick is still on the run after his stunt at school. Stef orders the family to take a break from all social media while she tries to catch Nick. Meanwhile, Stef and Lena decide what to do with Brandon and Callie. 65 `` Trust '' Elodie Keene Anne Meredith July 11, 2016 ( 2016 - 07 - 11 ) 0.80 Following the lockdown, the school opens again. Mariana is accused of causing Nick 's actions, and Callie is suspended after assaulting another student. Meanwhile, Lena struggles to feel safe again, and Emma and Jesus get tested for STDs ; he waits anxiously for the results. 66 `` Now for Then '' Silas Howard Constance M. Burge July 18, 2016 ( 2016 - 07 - 18 ) 0.82 Callie starts on her senior project, taking pictures of her former foster homes. Callie runs into the mother of Liam ( a former foster brother ) ; the mother accuses Callie of destroying her family by accusing Liam of rape. While visiting another foster home, Callie discovers that her former foster brother, Kyle, is in juvie on murder charges. Brandon and Cortney are hosting a party at their home when Cortney is served legal papers her ex has filed, seeking full custody of their son. Meanwhile, Mariana visits Nick in prison. 67 `` Forty '' Velvet Andrews Smith Megan Lynn & Wade Solomon July 25, 2016 ( 2016 - 07 - 25 ) 0.84 Lena celebrates her 40th birthday while Jude finds a new boyfriend and Callie reunites with her former foster brother, Kyle. 68 6 `` Justify '' Kelli Williams Cristian Martinez August 1, 2016 ( 2016 - 08 - 01 ) 0.93 Lena is pushed to the limit when she discovers secrets involving her parents, while Mariana gets pushed around by male STEM team members. Jesus wants to change his and Emma 's relationship agreement, and Jude learns that Noah has a medical marijuana card. 69 7 `` Highs and Lows '' Chandra Wilson Kris Q. Rehl August 8, 2016 ( 2016 - 08 - 08 ) 0.80 Whilst covering for Gabe when he does n't turn up for work on the garage Jesus hits himself in the forehead with a nail gun. Callie tells Noah 's mom about him giving Jude marijuana. Emma agrees to be Jesus 's girlfriend again when they 're in the hospital. Stef and Lena need to sell the house to pay back Lena 's father. 70 8 `` Girl Code '' Aprill Winney Story by : Dan Richter Teleplay by : Megan Lynn & Wade Solomon August 15, 2016 ( 2016 - 08 - 15 ) 0.88 the robot competition takes place making Mariana go on a power trip with Emma and Jesus trying to calm her down. Feeling threatened by the other superior teams the make some last minute changes. Lena and Stef continue trying to sell the house but having everyone around makes it difficult. Callie is told to keep away from Patrick Malloy. Brandon continues to practice for his Juilliard audition. 71 9 `` New York '' Joanna Johnson Joanna Johnson August 22, 2016 ( 2016 - 08 - 22 ) 0.88 Brandon goes to New York for his Juilliard audition. He breaks up with Courtney. They find a loophole to get out of selling the house. Mariana is angry when she discovers a secret from Lena 's past. 72 10 `` Collateral Damage '' Peter Paige Bradley Bredeweg & Peter Paige August 29, 2016 ( 2016 - 08 - 29 ) 0.99 Mariana takes more of Jesus 's ADHD pills and thinks she sees Nick. Callie presses to find Martha Johnson 's true killer. She also tries to put another bill on the ballot to beat Justina 's. They try to get signatures at Bayfest and go to see Brandon 's reunion with his old band. Nick shows up and knocks out Jesus because he tried to protect Mariana after he and Emma told Stef Nick was there. Callie is in a car with a possible killer whilst Brandon ca n't go to Juilliard. 73 11 `` Insult to Injury '' Rob Morrow Bradley Bredeweg & Peter Paige January 31, 2017 ( 2017 - 01 - 31 ) 0.92 Callie gets in a confrontation with Troy inside his car, which results in their vehicle slamming into another. Callie checks on the other driver but then flees the scene of the accident when Troy chases after her. She laters decides to go into a police station to make a statement, not realizing that fleeing in the first place was a crime. Jude and Noah sneak onto a boat. Brandon says goodbye to Courtney. Meanwhile at the hospital, Jesus is in serious condition, while Lena discovers that Mariana has been taking Jesus 's pills and gets her checked out. 74 12 `` Dream a Little Dream '' Rob Morrow Joanna Johnson February 7, 2017 ( 2017 - 02 - 07 ) 0.67 While unconscious, Jesus enters a dreamworld in which he encounters his family members. Callie finds herself in deep trouble when Troy claims that she caused the accident. She ends up in juvenile detention after being questioned without her parents present. Meanwhile, Brandon suspects that something might be going on with Mariana. 75 13 `` Cruel and Unusual '' Norman Buckley Anne Meredith February 14, 2017 ( 2017 - 02 - 14 ) 0.76 Fed up with all of the secrets in the household, Stef removes all of the doors from the kids ' rooms. Robert shows up offering legal help for Callie, but Stef turns him down. In juvie, Callie comes across a guard who is bringing drugs into the facility. When he suspects that she knows what 's going on, he gets her sent into solitary confinement. At her hearing, the judge decides to get her tried as an adult, though she 's able to return home. Jesus is also returning home from the hospital. Brandon confronts both Matt and Mariana about her possibly being pregnant. When she says no, her and Brandon suspect that Emma actually might be. 76 14 `` Doors and Windows '' Susan Flannery Constance M. Burge February 21, 2017 ( 2017 - 02 - 21 ) 0.73 Mariana asks Emma about her possible pregnancy, which Natalie denies. Callie is still working on trying to gather a case against Troy for Martha 's murder. Stef finds out that Callie had broken into someone 's house. There is ongoing tension between AJ and Aaron. Brandon tries to help Jesus readjust through music therapy. Emma also ends up telling him that she 's pregnant with Jesus 's baby. 77 15 `` Sex Ed '' Michael Medico Kris Q. Rehl February 28, 2017 ( 2017 - 02 - 28 ) 0.66 Brandon accompanies Emma to a clinic, where she debates whether or not to get an abortion. Callie 's senior project is put on display at school. Since Anchor Beach does n't offer sex ed for LGBT youth, Jude decides to join a gay dating app and plans on meeting up with one of his matches. 78 16 `` The Long Haul '' Bradley Bredeweg Megan Lynn & Wade Solomon March 14, 2017 ( 2017 - 03 - 14 ) 0.71 Stef 's mother comes for a visit and announces that she 's engaged. Mariana suggests their backyard for a venue. Stef reluctantly agrees to hold their ceremony there in a matter of days, however, she is shocked when her mother tells her that she needs help getting out of the engagement. Callie spots AJ getting closer to another girl. Emma tells Brandon to give Jesus a letter, though he ca n't read it yet because of his brain injury. When he asks his grandmother to, she decides to leave out the part about the abortion. 79 17 `` Diamond in the Rough '' Lily Mariye Cristian Martinez March 21, 2017 ( 2017 - 03 - 21 ) 0.69 Stef is brought onto a new case at work and meets Diamond, a teenage prostitute who 's reluctant to help them. Stef eventually gets her into Girls United, however, Diamond is still contacting her pimp via Callie 's phone. When Callie sees AJ kissing another girl, she tries to rekindle their relationship. Mariana tries to help Jesus by getting her parents to agree to a treehouse building project as the twins ' combined senior project. Mike wants to officially adopt AJ, but AJ tells him that he plans on moving in with his brother soon. Emma wants Brandon to get the letter back for her but Mariana catches him and she 's let in on the secret. 80 18 `` Dirty Laundry '' Laura Nisbet Peters Megan Lynn & Wade Solomon March 28, 2017 ( 2017 - 03 - 28 ) 0.69 After being constantly bullied by boys in his class, Jude decides to get revenge, though Noah disapproves. Mariana tracks down Gabe but finds out that he 's moving out of state for work. Callie 's trial gets a date and in the meantime, she decides to join Aaron on a trip back home to visit his family, who still have a hard time accepting his transition. Callie and Aaron end up kissing. Jude also finds out information about Anchor Beach. 81 19 `` Who Knows '' Joanna Johnson Joanna Johnson April 4, 2017 ( 2017 - 04 - 04 ) 0.62 Stef and Lena confront Brandon about the letter they found regarding Emma. As Callie 's trial nears, her parents and legal advisors implore her to follow their suggestion, though she is still adamant on bringing in DNA evidence to convict Troy. Stef insists they ca n't use it because it would mean Callie admitting she broke into someone 's house. Stef questions Diamond about her pimp Russell, who later shows up to the group home to leave behind a phone for Diamond. Callie and Daphne catch her. When Emma shows Jesus an anonymous Twitter page with secrets posted about people at Anchor Beach, Jesus realizes that Mariana is behind it and is able to piece together that Emma was pregnant. When Callie visits Kyle again, she finds that he has gotten gang tattoos and claims that he was actually the murderer all along. 82 20 `` Until Tomorrow '' Peter Paige Bradley Bredeweg & Peter Paige April 11, 2017 ( 2017 - 04 - 11 ) 0.72 Callie is pressured to take a plea deal, which would result in her going to jail for three years. Stef and Mike look into the evidence and other footage again to see if they clear Callie. They end up concluding that Troy was most likely the murderer after all and get him to confess. However, when Callie tries to stop another girl from leaving with Diamond to go visit Russell, she offers herself up instead. Meanwhile, Jesus questions various people to try and get confirmation about Emma 's pregnancy and his grandmother tells him what was in the missing letter. At the end of the episode, Daphne shows up at the home to let Stef know about Callie 's whereabouts, while Callie is now in a hotel room alone with Russell. References Jump up ^ Welch, Alex ( June 21, 2016 ). `` Monday cable ratings : ' Love & Hip Hop ' returns on top ''. TVbytheNumbers. Retrieved June 21, 2016. Jump up ^ Welch, Alex ( June 28, 2016 ). `` Monday cable ratings : ' WWE Monday Night Raw ' leads the night ''. TVbytheNumbers. Retrieved June 28, 2016. Jump up ^ Metcalf, Mitch ( July 12, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 7.11. 2016 ''. ShowBuzzDaily. Retrieved July 12, 2016. Jump up ^ Metcalf, Mitch ( July 19, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 7.18. 2016 ''. ShowBuzzDaily. Retrieved July 19, 2016. Jump up ^ Metcalf, Mitch ( July 26, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 7.25. 2016 ''. ShowBuzzDaily. Retrieved August 3, 2016. Jump up ^ Metcalf, Mitch ( August 2, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 8.1. 2016 ''. ShowBuzzDaily. Retrieved August 3, 2016. Jump up ^ Metcalf, Mitch ( August 9, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 8.8. 2016 ''. ShowBuzzDaily. Retrieved August 9, 2016. Jump up ^ Metcalf, Mitch ( August 16, 2016 ). `` Updated : ShowBuzzDaily 's Top 150 Monday Cable Originals & Network Finals : 8.15. 2016 ''. ShowBuzzDaily. Retrieved August 16, 2016. Jump up ^ Metcalf, Mitch ( August 23, 2016 ). `` SHOWBUZZDAILY 'S Top 150 Monday Cable Originals & Network Finals : 8.22. 2016 ''. Showbuzzdaily. Retrieved August 23, 2016. Jump up ^ Metcalf, Mitch ( August 30, 2016 ). `` SHOWBUZZDAILY 's Top 150 Monday Cable Originals & Network Finals : 8.29. 2016 ''. ShowbuzzDaily. Retrieved August 30, 2016. 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Question: how many episodes does season 4 of the fosters have
Answer: 20