"The War Without, the War Within" was the 14th episode of Star Trek: Discovery in the show's first season, first aired 4 February 2018.


Back on the USS Discovery, Michael Burnham and the crew are faced with the harsh reality of the war during their absence. In order to move forward, Starfleet must use unconventional tactics and sources to take their next action against the Klingons.



AiriamR.A. BryceMichael BurnhamKatrina CornwellKeyla DetmerDrakePhilippa Georgiou (mirror)GorchL'RellJoann OwosekunTracy PollardGen RhysSarekSaruShukarPaul StametsSylvia TillyAsh Tyler (Klingon)
Referenced only 
Gabriel LorcaGabriel Lorca (mirror)Jonathan ArcherVoq

Starships and vehiclesEdit

USS Discovery (Crossfield-class science vessel)
Referenced only 
Enterprise (NX-class)


Qo'noSStarbase 1
Referenced only 
Delta 2IridinKelfour VINivallaSeptraStarbase 12Starbase 19Starbase 22Veda system

Races and culturesEdit


States and organizationsEdit

Klingon EmpireStarfleetUnited Federation of Planets

Science and technologyEdit

spore driveterraforming

Ranks and titlesEdit


Science and classificationEdit

class 4 moon

Other referencesEdit

atmospherebootclothinggovernmentjacketnationpantsraces and culturesrankscienceStarfleet uniformStarfleet uniform (2240s-2265)titleuniform


Discovery travels towards the heart of the Federation investigating the extent of war losses.




Star Trek: Discovery episodes
season 1 chapter 1 "The Vulcan Hello" • "Battle at the Binary Stars" • "Context Is For Kings" • "The Butcher's Knife Cares Not for the Lamb's Cry" • "Choose Your Pain" • "Lethe" • "Magic to Make the Sanest Man Go Mad" • "Si Vis Pacem, Para Bellum" • "Into the Forest I Go"
chapter 2 "Despite Yourself" • "The Wolf Inside" • "Vaulting Ambition" • "What's Past Is Prologue" • "The War Without, The War Within" • "Will You Take My Hand?"
season 2 "Brother" • "New Eden" • "Point of Light" • "An Obol for Charon" • "Saints of Imperfection" • "The Sounds of Thunder" • "Light and Shadows" • "If Memory Serves" • "Project Daedalus" • "The Red Angel" • "Perpetual Infinity" • "Through the Valley of Shadows" • "Such Sweet Sorrow"


published order
Previous episode:
What's Past Is Prologue
Discovery episode produced Next episode:
Will You Take My Hand?
Previous episode:
What's Past Is Prologue
Discovery episode aired Next episode:
Will You Take My Hand?
chronological order
Previous Adventure:
What's Past Is Prologue
Voyages of the
USS Discovery
Next Adventure:
Will You Take My Hand?

External linkEdit

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