Season 5 (Supergirl)

The fifth season of ​​​​​ premiered on October 6, 2019 on The CW and concluded on May 17, 2020. The season consisted of 19 episodes.
==Cast==
===Main cast===
*Melissa Benoist as Kara Danvers/Supergirl
*Mehcad Brooks as James Olsen/Guardian
*Chyler Leigh as Dr./Director Alex Danvers
*Katie McGrath as Lena Luthor and Elizabeth Walsh
*Jesse Rath as Director Querl Dox/Brainiac 5
*Nicole Maines as Nia Nal/Dreamer
*Azie Tesfai as Dr. Kelly Olsen
*Andrea Brooks as Eve Teschmacher and Hope
*Julie Gonzalo as Andrea Rojas/Acrata
*Staz Nair as William Dey
*LaMonica Garrett as Mar Novu/The Monitor and Mobius/Anti-Monitor (voice)
*David Harewood as J'onn J'onzz/Martian Manhunter and Hank Henshaw
===Recurring cast===
*Phil LaMarr and Ellexis Wejr as Malefic J'onzz
*Kari Wahlgren as Hope (voice)
*Nick Sagar as Russell Rogers/Rip Roar
*Cara Buono as Gamemnae/Gemma Cooper
*Mitch Pileggi as Rama Khan
*Jon Cryer as Lex Luthor
*Jeremy Jordan as Winn Schott/Computer Lad/Toyman and Winn Schott/Toyman
*Thomas Lennon as Mxyzptlk
==Episodes==
1 	 	Jesse Warn 	Derek Simon & Nicki Holcomb 	Derek Simon & Nicki Holcomb 	October 6, 2019
Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor. 	Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor. 	Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor. 	Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor. 	Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor. 	Kara is surprised to find that CatCo has a new owner who has brought in a star reporter. New couples emerge and explore their budding relationships while J'onn J'onzz receives an unexpected visitor.
2 	 	David McWhirter 	Dana Horgan & Katie Rose Rogers 	Dana Horgan & Katie Rose Rogers 	October 13, 2019
Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem. 	Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem. 	Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem. 	Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem. 	Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem. 	Supergirl, Alex, and Brainiac thwart an alien attack while William investigates Kara. J'onn J'onzz and Kelly use Obsidian tech to solve a problem.
3 	 	Eric Dean Seaton 	Lindsay Sturman & J. Holtham 	Lindsay Sturman & J. Holtham 	October 20, 2019
Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend. 	Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend. 	Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend. 	Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend. 	Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend. 	Kara attempts to mend her relationship with Lena. J'onn J'onzz takes a deep dive into his memories while Kelly tries to help an old friend.
4 	 	David McWhirter 	Jay Faerber & Jess Kardos 	Jay Faerber & Jess Kardos 	October 27, 2019
Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl. 	Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl. 	Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl. 	Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl. 	Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl. 	Kara's investigation into William Dey's "criminal" activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J'onn J'onzz reaches a boiling point, and Alok confesses his personal problem about working alongside Supergirl.
5 	 	Alysse Leite-Rogers 	Rob Wright & Daniel Beaty 	Rob Wright & Daniel Beaty 	November 3, 2019
On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy. 	On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy. 	On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy. 	On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy. 	On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy. 	On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy.
6 	 	Shannon Kohli 	Dana Horgan & Nicki Holcomb 	Dana Horgan & Nicki Holcomb 	November 10, 2019
While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past. 	While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past. 	While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past. 	While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past. 	While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past. 	While a new villain is under arrest at the D.E.O., Supergirl uses him to try and understand who is responsible for the recent attacks. Meanwhile, Andrea and Lena think back on their tumultuous past.
7 	 	Andi Armaganian 	J. Holtham & Katie Rose Rogers 	J. Holtham & Katie Rose Rogers 	November 17, 2019
Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts. 	Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts. 	Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts. 	Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts. 	Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts. 	Supergirl finally learns the truth about Lena while tangling with Leviathan. J'onn J'onzz makes a discovery about his brother's whereabouts.
8 	 	Marcus Stokes 	Lindsay Struman & Jess Kardos 	Lindsay Struman & Jess Kardos 	December 1, 2019
Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena. 	Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena. 	Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena. 	Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena. 	Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena. 	Supergirl’s struggle against Leviathan reaches a boiling point as she faces off against Rama Khan. Meanwhile, as Lena and Hope work to launch Project Non Nocere, Hope proves to be an invaluable asset to Lena.
9 	 	Jesse Warn 	Robert Rovner & Marc Guggenheim 	Derek Simon & Jay Faerber 	December 8, 2019
The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. 	The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. 	The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. 	The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. 	The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38. 	The Monitor sends Harbinger to gather the worlds' greatest heroes - Supergirl, the Flash, Green Arrow, Batwoman, White Canary, the Atom and Superman - in preparation for the impending Crisis. With their worlds in imminent danger, the superheroes suit up for battle while J'onn and Alex recruit Lena to help them find a way to save the people of Earth-38.
10 	 	Tawnia McKiernan 	Derek Simon 	Nicki Holcomb & Jen Troy 	January 19, 2020
The subsequent complications from the Crisis leave Supergirl to face a chaotic threat. 	The subsequent complications from the Crisis leave Supergirl to face a chaotic threat. 	The subsequent complications from the Crisis leave Supergirl to face a chaotic threat. 	The subsequent complications from the Crisis leave Supergirl to face a chaotic threat. 	The subsequent complications from the Crisis leave Supergirl to face a chaotic threat. 	The subsequent complications from the Crisis leave Supergirl to face a chaotic threat.
11 	 	David Harewood 	Dana Horgan & Katie Rose Rogers 	Dana Horgan & Katie Rose Rogers 	January 26, 2020
As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future. 	As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future. 	As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future. 	As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future. 	As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future. 	As Supergirl tries to thwart a Toyman copycat, Winn Schott returns from the future.
12 	 	Alexis Ostrander 	Rob Wright & J. Holtham 	Rob Wright & J. Holtham 	February 16, 2020
Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex. 	Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex. 	Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex. 	Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex. 	Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex. 	Supergirl helps Winn face his greatest fear. After Alex sets out to find evidence against Lex, Brainy must decide between helping his friend or continuing to secretly work for Lex.
13 	 	Jesse Warn 	Robert Rovner & Jessica Queller 	Derek Simon & Nicki Holcomb 	February 23, 2020
Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode. 	Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode. 	Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode. 	Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode. 	Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode. 	Mxyzptlk returns with a proposition for Kara – what if she could go back in time and tell Lena her secret before Lex did, would things turn out different? Looking back over key moments throughout the series, Kara must decide if she wants to change history to become friends with Lena again. Familiar faces return in this special episode.
14 	 	Gregory Smith 	Lindsay Sturman 	Emilio Ortega Aldrich & Chandler Smidt 	March 8, 2020
Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help. 	Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help. 	Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help. 	Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help. 	Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help. 	Lex tasks Supergirl with protecting Andrea from an anti-tech extremist, but his nefarious purpose goes beyond merely keeping Andrea alive. Meanwhile, Lena moves forward with Non Nocere, with Lex’s help.
15 	 	Armen V. Kevorkian 	Dana Horgan & Jay Faerber 	Dana Horgan & Jay Faerber 	March 15, 2020
Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.	Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.	Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.	Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.	Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.	Nia Nal’s roommate, Yvette, is attacked by a man targeting Dreamer because he doesn’t like that Dreamer is transgender and wants her to quit being a superhero. Determined to protect her community from additional harm, Dreamer refuses to give into his threats and puts herself in the line of fire to stop him. Supergirl stands by Dreamer and enlists additional help from Brainy. Meanwhile, Alex, J'onn and Kelly attempt to rescue a man stuck inside a virtual reality escape room.
16 	 	Tawnia McKiernan 	Rob Wright 	Jess Kardos & Mariko Tamaki 	March 22, 2020
Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news. 	Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news. 	Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news. 	Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news. 	Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news. 	Alex uses a pair of Obsidian contact lenses to visit a virtual National City where she takes on a whole new persona. Meanwhile, Kelly helps William investigate Lex. Supergirl deals with difficult news.
17 	 	Melissa Benoist 	Lindsay Sturman 	Katie Rose Rogers & Brooke Pohl 	May 3, 2020
Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis. 	Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis. 	Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis. 	Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis. 	Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis. 	Lex proceeds to lay an intricate plan to bring Lena closer to him, defeat Leviathan's latest attack, and pit Supergirl and team against Leviathan. It is also revealed how Lex came into power after Crisis.
18 	 	Avi Youabian 	Dana Horgan & J. Holtham 	Dana Horgan & J. Holtham 	May 10, 2020
Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. 	Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. 	Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. 	Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. 	Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger. 	Supergirl and the team go head to head against Rama Khan and Leviathan. Meanwhile, Lena and Lex must join forces when Project Non Nocere fails, leaving the two siblings in serious danger.
19 	 	David Harewood 	Dana Horgan 	Emilio Ortega Aldrich & Nicki Holcomb 	May 17, 2020
Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. 	Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. 	Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. 	Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. 	Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex. 	Supergirl realizes that in order to stop Lex and Leviathan she must work with the one person she never thought she’d trust again – Lena. Nia keeps dreaming about Brainy but struggles with what the dreams are trying to tell her. Meanwhile, Brainy realizes there is only one way to stop Lex.
==Production==
The season was originally planned to consist of 22 episodes."‘Supergirl’ season 5: Air date, trailer, episodes, plot, more" - Hypable However, the number of episodes was changed to 20 due to Melissa Benoist's pregnancy"Only 20 Episodes For Supergirl Season 5" - KyptonSite and later to 19 due to production shutting down indefinitely on March 13, 2020 as a preventive measure for the ongoing COVID-19 pandemic."Coronavirus Interrupts TV: Which Seasons Will Be Shortened?" - TVLine
==Trivia==
*This is the first season to feature new regulars , , , and as well as the only season to feature Andrea Brooks and , and the last season for .
*Mehcad Brooks and LaMonica Garrett are only credited for their respective episode appearances.
*This season had 12 starring roles, making it the largest main cast in a single season across all Arrowverse shows.
*On April 21, 2020, Jon Cryer revealed that the season finale was being rewritten and changed his character's fate through the use of footage from the original finale that was filmed prior to production shutting down at the start of the pandemic."Supergirl Season 5 Finale Is Being Rewritten Due to COVID-19 Shutdown" - CBR.com
*This is now the shortest season of with 19 episodes, beating the first season (which had 20) by one episode.
*This is the first season of Supergirl to have only one main antagonist, Gamemnae.
==Gallery==
====Title cards====
Supergirl season 4 title card.png|Title card
To be continued on Crisis on Infinite Earths.png|To be continued on end variant title card for .
Crisis on Infinite Earths title card.png|Title card variant for 
===Promotional images===
Supergirl season 5 - Entertainment Weekly cover.png
Supergirl season 5 - Entertainment Weekly Kara Danvers promo 1.png
Supergirl season 5 - Entertainment Weekly Kara Danvers promo 2.png
Supergirl season 5 - Entertainment Weekly Kara Danvers promo 3.png
Entertainment Weekly cover shoot - Batwoman, Green Arrow, The Flash, Supergirl and White Canary.png
Supergirl season 5 - First look at new Supergirl suit.png
Supergirl season 5 poster - United We Stand.png|"United We Stand"
Supergirl and Alex promotional image (season 5).png
Crisis on Infinite Earths poster - It's the end...of the worlds.png|Crisis on Infinite Earths poster - "It's the end...of the worlds"
Crisis on Infinite Earths poster - Their worlds will never be the same.png|Crisis on Infinite Earths poster - "Their worlds will never be the same"
===Videos===
Supergirl Season 5 Official Trailer - Comic Con 2019
Supergirl Season 5 Teaser (HD)
Supergirl Season 5 "New Look" Trailer (HD)
Supergirl Season 5 "Good Side" Promo (HD)
Supergirl Season 5 Extended Promo
Supergirl Season 5 "100th Episode Celebration" Featurette (HD)
Supergirl Season 5 "100th Episode - Super Moments" Featurette (HD)
Supergirl Season 5 "Stream the 100th Episode" Promo (HD)
==References==