Alliance[7] is twenty-first episode of Season 3 and is the first part of the two-hour series finale episode of Shadowhunters: The Mortal Instruments.[8]




  1. ‘Shadowhunters’ To End After 3 Seasons, Freeform Orders 2-Hour Finale To Wrap Series In 2019 | Deadline
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Photo of the scripts from Kat's IG Story (grabbed)
  3. "Typo due to this overtired director." Todd Slavkin on Twitter
  4. 4.0 4.1 "Working with @toddzer1 at the helm this week," Steve Byers on Twitter
  5. "You are killin’ it, Todd! It has been a wonderful experience having you direct!" Harry Shum Jr. on Twitter
  6. "So lucky to have @toddzer1 direct episodes 3021/22!" Brian Hui on Twitter
  8. 8.0 8.1 ‘Shadowhunters’ To End After 3 Seasons, Freeform Orders 2-Hour Finale To Wrap Series In 2019
  9. 9.0 9.1 9.2 9.3 9.4 9.5 "Series wrap #Shadowhunters #ShadowhuntersLegacy ! ❤️" Emeraude Toubia on Twitter
  11. "This Shadowhunter, Seelie & Mundane thank you from the depths of our tummies" Todd Slavkin on Twitter
  12. "... I’m tempted to release the BTS dance video but it would spoil too much"
    "You asked for it... @HarryShumJr @AnnaBananaHops" Todd Slavkin on Twitter
  13. "... Thanks for having me back... @ShadowhuntersTV @toddzer1..." Anna Hopkins on Twitter
  14. "HEY, IT’S UNDERPANTS!!! ⁦@TheSteveByers⁩" Brian Hui on Twitter
  15. "Last day here on #Shadowhunters" Steve Byers on Twitter
  18. "Thank you my dear Queen. My deejaying today was jamming..." Todd Slavkin and Lola Flanery on Twitter
  19. "We do our own stunts ... JK! 🤦🏼‍♂️🤦🏻‍♀️🤪🤣 @domsherwood #shadowhunters" Lola Flanery on Instagram
  20. "You chilled me to the bone today @LukeBaines with your mesmerizing performance." Todd Slavkin on Twitter
  23. "Welcome our new Seelie Queen into the shadow world ⁦@KSueMurray⁩..." Todd Slavkin on Twitter
  24. "... I wanted to extend a warm welcome to ⁦@KSueMurray⁩ as the new Seelie Queen!" Brian Hui on Twitter
  26. "321 is the morning after 320" Todd Slavkin on Twitter
  27. "⚔️ Filming the Finale ⚔️ (with a head growing out of my neck) @shadowhunterstv" Harry Shum Jr. on Instagram
  28. "Into the Fray... @ShadowhuntersTV" Katherine McNamara on Twitter
  29. "Last day BTS" Todd Slavkin on Twitter
  30. "Last day of principal photography of #Shadowhunters 😢" Emeraude Toubia on Twitter
  31. "And that's a wrap #shadowhunters #ShadowhuntersLegacy" Todd Slavkin on Twitter
  32. "When one door closes... that's a wrap on Clary Fairchild." Katherine McNamara on Twitter
  33. "We wrapped several hours ago for our final day on @Shadowhunters." Harry Shum Jr. on Instagram
  34. "321 the mission" Bryan Q. Miller on Twitter