For other uses, see Lethe.

   

Lethe is the sixth episode of Star Trek: Discovery in the program's first season, which premiered on 22 October 2017 exclusively on CBS All Access, written by Joe Menosky^MA and Ted Sullivan^MA and directed by Douglas Aarniokoski^MA.

References[]

Characters[]

Airiam • Michael Burnham • Katrina Cornwell • Hugh Culber • Dennas • Keyla Detmer • Amanda Grayson • Kol (Commander) • Gabriel Lorca (mirror) • Joann Owosekun • Sarek • Saru • Paul Stamets • Terral • Sylvia Tilly • Ash Tyler (Klingon) • Ujilli • V'Latak • Wilson • USS Discovery computer • Cancri elders

Referenced only

Ellen Landry • Rause • Spock • Webb

Starships and vehicles[]

USS Discovery (Crossfield-class science vessel)

Referenced only

USS Enterprise (Constitution-class heavy cruiser)

Locations[]

the galaxy's Alpha and Beta Quadrants

Cancri IV (Cancri system) • Vulcan (Vulcan system, Vulcan sector, Beta Quadrant)

Referenced only

Grazer (Grazer system) • Yridia (Yridia system) • Yridia Nebula

Races and cultures[]

Cancri • Human • Kelpien • Klingon • Vulcan

States and organizations[]

Starfleet • United Federation of Planets

Science and classification[]

eugenics • mycelial network • space • star • star system • technology • time • universe • weapon

Technology and weapons[]

sensor • spore drive • starship

Ranks and titles[]

admiral • captain • commander

Other references[]

atmosphere • boot • clothing • government • green tea • jacket • nation • pants • races and cultures • rank • science • Starfleet uniform • Starfleet uniform (2240s-2265) • title • transpo drill • uniform

Appendices[]

Images[]

Yridia Nebula.

Cancri elders.

Connections[]

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 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"
season 5	"Red Directive" • "Under the Twin Moons" • "Jinaal" • "Face the Strange" • "Mirrors" • "Whistlespeak" • "Erigah" • "Labyrinths" • "Lagrange Point" • "Life, Itself"

Timeline[]

External link[]

• Lethe (episode) article at Memory Alpha, the wiki for canon Star Trek.