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"The Butcher's Knife Cares Not for the Lamb's Cry" is the fourth episode of Star Trek: Discovery in the program's first season, which premiered on 8 October 2017 exclusively on CBS All Access.



AiriamMichael BurnhamKatrina CornwellHugh CulberKeyla DetmerPhilippa GeorgiouKolEllen LandryGabriel Lorca (mirror)L'RellJoann OwosekunRanceMilton RichterRipperSaruPaul StametsSylvia TillyVoqunnamed Betarian girlunnamed OsnullusUSS Discovery computer
Referenced only
Zefram CochraneElon MuskJustin StraalT'KuvmaZaphodWright Brothers (Orville Wright, Wilbur Wright)

Starships and vehicles

USS Discovery (Crossfield-class) • Klingon bird-of-preyUSS Shenzhou (Walker-class) • T'Kuvma's flagship
Referenced only
USS Glenn (Crossfield-class)


Corvan II

Races and cultures

Referenced only

States and organizations

Klingon EmpireStarfleetUnited Federation of PlanetsVulcan Science Academy

Science and technology

allergybiochemistrycontainment fieldmycelial networkphaser riflespacestarshipthreat gangliaType-2 phaser

Other references

blockadebloodwinekrada legs


November 2256 (2250s chronology, Discovery voyages)
USS Discovery must intervene when the Klingons ambush and attack Corvan II.



  • The fourth episode of Discovery, this episode was made available on CBS All Access streaming service for subscribers only, on 8 October 2017.



Star Trek: Discovery episodes Series title image.
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 Sound of Thunder" • "Light and Shadows" • "If Memory Serves" • "Project Daedalus" • "The Red Angel" • "Perpetual Infinity" • "Through the Valley of Shadows" • "Such Sweet Sorrow"
season 3 "That Hope Is You, Part 1" • "Far From Home" • "People of Earth" • "Forget Me Not" • "Die Trying" • "Scavengers" • "Unification III" • "The Sanctuary" • "Terra Firma" • "Su'Kal" • "There Is A Tide..." • "That Hope Is You, Part 2"
season 4 "Kobayashi Maru" • "Anomaly" • "Choose to Live" • "All Is Possible" • "The Examples" • "Stormy Weather" • "...But to Connect" • "All In" • "Rubicon" • "The Galactic Barrier" • "Rosetta" • "Species Ten-C" • "Coming Home"


published order
Previous episode:
Context Is for Kings
Discovery episode produced Next episode:
Choose Your Pain
Previous episode:
Context Is for Kings
Discovery episode aired Next episode:
Choose Your Pain
chronological order

External link